Many questions were asked particularly the cost of the new plan.A. in reply toB. in relat

问题补充：

Many questions were asked，particularly the cost of the new plan.

A. in reply to

B. in relation to

C. in act to

D. in addition to

答案：

A. in reply to

(答案→)B. in relation to

C. in act to

D. in addition to

解析：句意：很多问题，尤其是关于新计划的成本被问到了。in relation to“关于”，和题意相符。