—Jackfailedthedrivingtestagain.—Thequestionis

—Jack failed the driving test again.

—The question is ________ we can help him avoid making the same mistake.

A．why B．how C．what D．that

B　[考查表語從句。句意：“傑克又沒通過駕駛考試。”“問題是我們如何能夠幫助他避免犯同樣的錯誤。”根據語境並分析句子成分可知，空處引導表語從句，並在從句中作方式狀語，故選B。]