surprised me most was he was too late for the important meeting for he was chairman of

问题补充：

surprised me most was he was too late for the important meeting, for he was chairman of it.

A. What; why

B. That; how

C. What; how

D. That; why

答案：

(答案→)A. What; why

B. That; how

C. What; how

D. That; why

解析：考查从句连词。根据句子结构可知，第一空是主语从句，作was的主语，主语从句中缺少surprised的主语，用what，第二空是表语从句，根据句意可知，从句中缺少原因状语

句意为，最让我们感到精要的是他为什么会在这么重要的会议上迟到，因为他是会议的主席。