— You________have finished your composition.

— I had meant to, but before I could, the bell rang and we had to hand in our test papers . [ ]

A. were supposed to  

B. were able to

C. had to  

D. were determined to

下列叙述不正确的是()

A．急性白血病外周血白细胞比正常人增高

B．急性白血病骨髓增生明显活跃，原始和早期幼稚细胞显著增多

C．急性粒细胞白血病可出现白血病“裂孔”现象

D．急性白血病骨髓可见红细胞系和巨核细胞系减少

E．急性淋巴细胞白血病骨髓象退化细胞明显增多，蓝细胞(涂抹细胞)多见