单选题 25.  The reason Beethoven went away to the country is ______ he was gradually going deaf.
【正确答案】 B
【答案解析】 本题考查表语从句和固定表达。
   he was gradually going deaf是完整地句子,不缺句子成分,应该由that引起表语从句,做is的表语。同时,the reason…is/was that…也是专升本常考句式,应该牢固掌握。