You’d better sit in ______ front of the bus so you can have ______ better view on the way.

A．the; 不填

B．不填; the

C．the; a

D．不填; a

消渴发病常与血瘀有关，其原因是

A．气阴两伤，运血无力而瘀

B．阴虚燥热，耗液灼津而瘀

C．阴损及阳，阳虚寒凝而瘀

D．阴阳俱虚，痰湿阻滞而瘀