根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Improve your memory, improve your life
Mark began to introduce the guest speaker to the audience, but then he paused in horror. _________
Barbara hid her jewelry when she went on vacation. When she came back, she couldn’t remember where she’d put it.
__________. Most people have. But memory can be developed.
First, relax. If you’re overanxious about remembering something, you’ll forget it. ________.Take a deep breath and tell yourself that you have all the time in the world to remember.
Second, avoid being negative. If you keep telling yourself that your memory is bad, your mind will come to believe it and you won’t remember things. When you forget something, don’t say, “ Gee, I need to have my brain rewired(重装电线).”
To improve your memory, you’ll need to take an active role. Like your body, your memory can be strengthened through exercise. ______ For example, if you’ re learning a language, try to actively remember irregular verbs.
You may also want to make associations, or links, between what you’re trying to remember and things you already know. For example, if you need to catch a plane at 2:00pm, you can imagine a plane in your mind and notice that it has two wings. ___________.  

A．Don’t worry.

B．He had forgotten her name.

C．Perhaps you’ve had experiences like these.

D．Look for opportunities to exercise your memory.

E. Jokes like this will have a negative effect on your memory.
F. You are now ten times more likely to remember the take-off time.
G. Relaxing will help improve your awareness and ability to concentrate.