— What do you think of the film Inception (盗梦空间) ? 

— Just so-so. I don't think it worth ______ a second time.

                                                                                                                                    [ ]

A. watching

B. watched

C. to watch

D. being watched

自身免疫性溶血性贫血病人输血应首选()

A．浓缩红细胞

B．洗涤红细胞

C．少白细胞的红细胞

D．冰冻红细胞

E．照射红细胞