If only I your praise then! For you see I lost heart and gave up.A. have heardB. hearC.

问题补充：

If only I your praise then! For, you see, I lost heart and gave up.

A. have heard

B. hear

C. had heard

D. heard

答案：

A. have heard

B. hear

(答案→)C. had heard

D. heard

解析： 句意：我要是当时就听到你的表扬就好了，因为，你看，我灰心了放弃了。If only“但愿..就好了”，if only后面接从句的时候，用虚拟语气，如果和过去相反的情况，用过去完成时。选C。