A number of bricks were purchased to build a fireplace, at a cost of 40 cents each, but only of them were needed. If the unused 190 bricks were returned and their cost refunded, what was the cost of the bricks used to make the fireplace ？（）

A.$76

B.$228

C.$304

D.$414

E.$570

某公司下列再次发行债券的行为不应核准的是：（）

A.该公司在不久前已经发行过公司债券，虽然已经募足，但是时间间隔未满1年

B.该公司欠银行1000万元且已经到期，银行同意1年后再还

C.该公司累计债券余额达到公司净资产的45%

D.该公司对上次公开发行的债券迟延支付本息，到1个月前才消除