—Don't forget _____ your homework to school tomorrow.

—_____.[ ]

A. taking; OK, I won't          

B. to bring; OK, I will

C. to bring; OK, I won't        

D. to take; OK, I will

射线照相的灵敏度包括（）

A.射线照相对比度

B.不清晰度

C.颗粒度

D.以上都是