_________ the fact that he was not a trained economist, his achievements were remarkable.

A．In spite of

B．In case of

C．In view

D．In favor of

每搏输出量和外周阻力不变而心率加快时，动脉血压的主要变化是（）

A．收缩压升高

B．舒张压升高

C．收缩压和舒张压升高幅度相同

D．收缩压降低舒张压升高

E．收缩压升高舒张压降低