He cannot hide his feelings, except the writers ask if everything is all right.
A. how
B. that
C. why
D. when
网友回答
A. how
B. that
C. why
(答案→)D. when
解析：考查宾语从句。本题中的when引导的是宾语从句when the writers ask if everything is all right作为介词except的宾语。句意：他不会隐藏他的感觉，除了在作家们询问一切是否正确的时候。根据句意说明D正确。