Question

I used to be afraid ______ big dogs.Now I'm still afraid ___

Answer 1

I used to be afraid （of） big dogs.Now I'm still afraid （to see） big dogs.

过去我很怕见到大狗.现在我还怕.

be afraid of + 名词,害怕某人或某物.be afraid to do,害怕做.

所以选择A项正确.