Why did the author(Jerome Weidman)feel he couldn't lie to Einstein?

A.Because the author could feel the genuine concern from Einstein.

B.Because the author didn’t want to hide his ignorance of music.

C.Because Einstein was so smart that he could nail a lie with ease.

D.Because Einstein was such a famous scientist all over the world.

正确答案：Because the author could feel the genuine concern from Einstein.