—What’s the best way to reach you if I have a question during the day?—Im glad you . It’s

问题补充：

—What’s the best way to reach you if I have a question during the day?

—Im glad you . It’s best if you send me an email.

A. ask

B. had asked

C. asked

D. were asking

答案：

A. ask

B. had asked

(答案→)C. asked

D. were asking

解析： 句意：--如果我在白天有问题最好的联系你的方式是什么？--我很高兴你问这个问题，如果你能给我发电子邮件就最好了。因为这个问题是在上文问的，所以用一般过去式，所以选C。