--- They are quiet aren’t they? --- Yes. They are accustomed at meals.A. to talkB. to n

问题补充：

--- They are quiet, aren’t they?

--- Yes. They are accustomed at meals.

A. to talk

B. to not talk

C. to talking

D. to not talking

答案：

A. to talk

B. to not talk

C. to talking

(答案→)D. to not talking

解析：考点是：非谓语动词。本题考查的是词组be accused to (习惯于)的用法，其中to是介词，后跟名词或动名词。