---Do you know what Tom does all day?

---I know he spends at least _______ time watching TV as he does spend doing his lessons.

A．more　　　　

B．as much

C．much

D．as more

安博维降压持久平稳，收缩压平滑指数高达（）

A.1.3

B.2.54

C.4.2

D.5.86