3.18 The most difficult thing about success is __ you have to keep on being success.
问题描述：
3.18 The most difficult thing about success is __ you have to keep on being success.
The most difficult thing about success is __ you have to keep on being success.
A.why B.when C.what D.that
请说明理由,
答
D that引导的表语从句,在此没有什么实际意义,只起语法作用
这句话的翻译：对成功来说,最艰难的是你需要不断地再创辉煌.
解析：why为什么 when 什么时候 what什么 都不合适,句中没有这些意思.