伴有脑血管病的高血压患者宜用（）

A.硝苯地平

B.维拉帕米

C.尼莫地平

D.尼群地平

E.非洛地平

If business had been carried out to our satisfaction，we（）to renew the Agency Agreement.

A.had agreed

B.already agreed

C.shall agree

D.should have agreed