Ⅱ度根分歧病变

A．翻瓣术
B．牙龈切除术
C．牙冠延长术
D．引导组织再生术
E．结缔组织移植术 下列情况最适宜采取的术式是

Woman: Are you prepared for the exam tomorrow

Man: Oh, yeah, the exam will be a piece of cake.

Question: What does the man mean().

A. The woman should take the exam.

B. The woman shouldn’t be concerned.

C. He is not worried about the exam.

D. He enjoys taking exams.