问题
选择题
He turns a deaf ear to his parents, _____ many times they have pointed out his weakness.
A．whatever
B．whichever
C．whenever
D．however
答案
答案：D
考查状语从句。However无论怎么，句意：他对他父母充耳不闻，无论他们指出他们缺点多少次。
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