—Will you come?—you promise not to invite Mary.A. As ifB. If onlyC. Only ifD. Even if

问题补充：

—Will you come?

—you promise not to invite Mary.

A. As if

B. If only

C. Only if

D. Even if

答案：

A. As if

B. If only

(答案→)C. Only if

D. Even if

解析：考查连词，As if 好像，If only 要是什么就好了，Only if 只要，Even if 尽管，句意：你会来吗？只要你答应不邀请玛丽。所以选C。