面粉厂用100千克小麦可以磨面粉85千克，1千克小麦可以磨出面粉多少千克？10吨小麦可以磨出面粉多少千克？

In year X a total of 355 billion dollars was spent for health care in the United States, 30 percent of which was spent by private health insurance companies. Was the amount spent for health care by the federal government’s medicare program less than 60 billion dollars ？（）

(1)In year X medicare spent more than , but less than , of the amount spent by the private health insurance companies for health care.

(2)In year X medicare spent 50 billion dollars less for health care than the amount spent by private health insurance companies.

A.条件（1）充分，但条件（2）不充分.

B.条件（2）充分，但条件（1）不充分.

C.条件（1）和（2）单独都不充分，但条件（1）和条件（2）联合起来充分.

D.条件（1）充分，条件（2）也充分.

E.条件（1）和条件（2）单独都不充分，条件（1）和条件（2）联合起来也不充分.