I’m not sure whether I will have anything else to do this evening． I will try every possi

问题补充：

I’m not sure whether I will have anything else to do this evening．, I will try every possible means to come to your birthday party．

A. Even though

B. If so

C. Anyhow

D. Instead

答案：

A. Even though

B. If so

(答案→)C. Anyhow

D. Instead

解析：