I’m willing to lend you a handbusy I’m for the moment.A. becauseB. but thatC. butD. howev

问题补充：

I’m willing to lend you a handbusy I’m for the moment.

A. because

B. but that

C. but

D. however

答案：

A. because

B. but that

C. but

(答案→)D. however

解析：“不论我多忙，我总是乐意帮助你。”however引导让步状语从句。