—Did you call Sara back?—I didn’t need to we’ll have a meeting together tonight.A. thoug

问题补充：

—Did you call Sara back?

—I didn’t need to, we’ll have a meeting together tonight.

A. though

B. unless

C. because

D. if

答案：

A. though

B. unless

(答案→)C. because

D. if

解析：考查连词。because因为，句意：没必要，因为今晚我们将一切开会。选C。