山坡阳面的玉米生长情况比阴面的要好，其主要原因是（　　）

A．空气新鲜

B．温度高

C．阳光充足

D．水分多

This is__ most interesting story in this book and I plan to read it ___ second time.

A．a; a

B．a; the

C．the; the

D．the; a