Many young people in the West are expected to leave could be life’s most important decision — marriage — almost entirely up to luck.
A. as
B. that
C. which
D. what
网友回答
A. as
B. that
C. which
(答案→)D. what
解析：考查宾语从句：分析句子结构，leave 需要一个宾语从句；宾语从句中could be 需要一个主语，所以要选一个能引导宾语从句且能在句子中作主语的词，只有 what 能满足要求。句意：许多西方的年轻人都对婚姻没有了期待，他们认为婚姻的成功与否基本上全在运气上。选D。