Mr Zhang is mild in character. He never shouts he is very angry.A. ifB. evenC. thoughD.

问题补充：

Mr Zhang is mild in character. He never shouts he is very angry.

A. if

B. even

C. though

D. even when

答案：

A. if

B. even

C. though

(答案→)D. even when

解析：根据句子语境，选 B 或 D 较适合，但 even 是副词，不是连词，不能引导状语从句，故选 D。