–Jane, you’ve made such great efforts that you are ________ to pass the exam.

– It is very kind of you to say so, Mr. Smith.

A．easy

B．bound

C．possible

D．unlikely

某病人，20岁，贫血，牙龈时有出血，易感冒4个月，护理查体：贫血貌，皮肤有散在出血点。全血细胞减少，骨髓增生减低，粒、红、巨核三系细胞减少。你认为符合下列何种疾病的实验室检查 ()

A．急性白血病

B．慢性白血病

C．再生障碍性贫血

D．缺铁性贫血

E．特发性血小板减少性紫癜