19) ____ mainly for the invention of the telephone, Alexander Graham Bell devoted his life to helping the deaf.
A) He is remembered B) While being remembered
C) To be remembered D) Though remembered
參考答案:d吧
感觉这题是靠句意去选答案的
d读起来比较通：
尽管他主要因为发明了电话而被人们记住，Alexander Graham Bell 投入了他的一生去帮助聋哑人。
