When help one often says “Thank you” or “It’s kind of you”.　A. offeringB. to offerC. to

问题补充：

When help, one often says “Thank you” or “It’s kind of you”.

A. offering

B. to offer

C. to be offered

D. offered

答案：

A. offering

B. to offer

C. to be offered

(答案→)D. offered

解析：考查非谓语动词。过去分词作状语，逻辑主语为one，与offer故选为被动关系，故选D。