克拉维酸与阿莫西林配伍应用的主要药理学基础是：

A．可使阿莫西林自肾小管分泌减少

B．可使阿莫西林口服吸收更好

C．克拉维酸抗菌谱广，抗菌活性强

D．克拉维酸可抑制β-内酰胺酶

E．可使阿莫西林用量减少，毒性降低

You don't have to spend _____ money on clothing.           [ ]

A. too many

B. many too

C. too much

D. much too