请先通读短文，掌握其大意，然后从所给的选项中选出最佳选项。
Jack is a boy of fifteen. His parents died 3 years ago. One day when he was walking in the street, he   56  a wallet. He returned it to the owner, Mr. Baker. He gave his    57   to the boy. As the boy had no job, Mr. Baker made him work for him in his    58  . Jack worked so hard that Mr. and Mrs. Baker were    59   with him.
Mr. Baker loved planting    60 . The week before last, he brought a few trees home, planted them in the    61  himself and watered them every day. Several days    62  , he had to leave for another city. Before he started, he said to Jack, “Take good care of these trees. Some boys near our house always want to steal them.” “ Don’t     63   about them, sir.” answered Jack," I’ll try my best to watch them."  Six days passed, and Mr. Baker came back. He asked, “   64   anyone ever stolen the  trees?” “No, sir.” said Jack. “To stop someone from stealing the trees, I    65   them up six days ago. I have hidden them for almost a week.”
A. bought                     B. found                             C. carried
A. wallet                        B. pity                                C. thanks 
A. office                          B. factory                          C. home
A. pleased                           B. angry                             C. sad
A.  trees                      B. flowers                         C. vegetables
A. garden                    B. office                             C. room
A. ago                             B. later                              C. after
A. think                           B. talk                                   C. worry
A. Did                              B. Does                              C. Has
A. sent                            B. pulled                            C. put