本例可能的诊断是
A. 脑出血
B. 脑栓塞
C. 蛛网膜下腔出血
D. 脑血栓形成
E. 硬膜下血肿
On the eve of my departure ______ Beijing, a few relatives of mine came to my place to say
A. for
B. from
C. to
D. by
Every option transaction involves______.
A. exercise
B. both a put and a call
C. a buyer and a seller
D. all of the above