warmly for his work he was too to fall asleep.A. Praising; excitedB. To praise; exciting

问题补充：

warmly for his work, he was too to fall asleep.

A. Praising; excited

B. To praise; exciting

C. Praised; exciting

D. Praised; excited

答案：

A. Praising; excited

B. To praise; exciting

C. Praised; exciting

(答案→)D. Praised; excited

解析：第一空考查过去分词做状语，因为主句的主语he和praise是被动关系，第二空考查形容词：excited感到兴奋的，修饰人，exciting令人兴奋的，修饰物，句意是：因为工作受到热情的表扬，他兴奋的睡不着。选D。