다음 문장들을 한 문장으로 합친 것 중 어색한 문장이 무엇인지 궁금해요.
A. This is Jenny whom I like most among my friends.
B. She has a friend whose job is teaching.
C. Give me that book the cover of which is hard.
D. She is the prettiest girl whom I know.
E. Please bring me the bag that is red and yellow.
정답과 맞는 문장에 대한 간단한 설명도 부탁드려요.