Tina isn’t so quiet as she. She is much more outgoing now.A. didB. used toC. was used toD.

问题补充：

Tina isn’t so quiet as she. She is much more outgoing now.

A. did

B. used to

C. was used to

D. used to be

答案：

A. did

B. used to

C. was used to

(答案→)D. used to be

解析：句意：蒂娜不像她过去那样安静。她现在外向多了。联系前文可知as引导的从句中应为系表结构，选项AC语义不符，选项B缺少系动词。故选D。