— Andy is really honest boy. — Yes. That’s why he ismost popular student in his class. A.

— Andy is really honest boy.
— Yes. That’s why he is most popular student in his class.
A. an; a
B. an; the　
C. a; the
D. the; /

A. an; a(答案→)B. an; the　C. a; theD. the; /解析：句意：安迪真是个诚实的男孩。是的，那就是为什么他是他班里最受欢迎的学生的原因。第一次提及某事物用不定冠词an/a,an用于元音音标前，a用于辅音音标前；再次提及同一事物时用定冠词the;形容词最高级前用定冠词；初次提及安迪用不定冠词，honest诚实的，首音标为元音，most popular最受欢迎的，故选B.

正好我需要