At first, they worried about the situation but things ______quite well.

A．went on

B．carried on

C．worked out

D．tried on

下列抗高血压药物中，最易引起体位性低血压的药物是

A．苯唑普利
B．吲哒帕胺
C．哌唑嗪
D．胍乙啶
E．氨氯地平