she dreams ＿ becoming a scientist like Qian Xuesen A to Bfor

选 C. about
dream about 固定短语,也可说dream of,后跟动词ing、名词或代词.
dream of (about)的含义是“考虑那些自己认为不会发生的事”,这时应当用介词of,在表示“梦中看到什么”时,通常用about. 如：
表示梦中见到：
I dreamed about you last night.
我昨夜里梦到你了.
He often dreams about home.
他常常梦到家乡.
当用来表示“想到”时,通常用of ：
I never dreamed of happiness like this.
我过去做梦也没想到象这样幸福.
My daughter, Jane, never dreamed of receiving a letter from a girl of her own age in Holland.
我的女儿珍尼过去做梦也没想到会收到与她年龄的一位荷兰姑娘的来信.