阅读下面短文，根据短文内容，从短文后各题所给的A、B、C、D四个选项中，选择最佳选项。
Mr White’s family decided to repair their home． Mr White bought the home two and a half years ago． Since the kids were growing up, he and his wife wanted to make some changes to the house．
They decided to knock down their living room wall to open up the space． When the wooden walls were removed, they were shocked to find a lizard stuck in the small space between the walls． The lizard’s foot was stuck(插入) by a nail, which was hammered(钉) from the other side of the wall．
Mrs White reminded him that they hammered a nail to hang up their kids photo． However, they questioned how the lizard had stayed alive so long without moving from that place． So Mr White stopped his work and watched the lizard: what has it been doing? What and how has it been eating? Later, he didn’t know from where another lizard appeared carrying food to the stuck lizard’s mouth． That was a real surprise! This act was heartwarming, and he was moved deeply by the little animal． The free lizard had been feeding the stuck one for more than two years! The lizard carried the hope of survival, even in a difficult situation．
Both lizards had never-ending hope for each other and carried their hearts with love and care． Such love, a beautiful love!
Such love happened with this tiny animal． Why can’t we humans always carry that kind of love in our hearts? Life is full of all kinds of difficulties． What we can do is to give our hands to the one in need and share our love． Sharing is caring．

The lizard’s _______ was stuck by a nail．

A．mouth

B．foot

C．tail

D．head

Mr White stopped his work to _______．

A．watch the lizard

B．find food for the lizard

C．take out the nail

D．set the lizard free

Mr White _______ after he saw the free lizard carried food for the stuck one．

A．was sorry for himself

B．was worried about the lizard

C．was angry with his wife

D．was moved by the lizard

What can we learn from the free lizard?

A．It encourages us to live even longer．

B．It teaches us to trust our friends．

C．It tells us to take pity on the stuck lizard．

D．It teaches us to give our hands to our loved ones．