某3年期债券,每年付息一次。到期还本,面值为100元,票面利率为8%,市场年利率为8%,则该债券的麦考利久期为()年。
A.3
B.2
C.2.68
D.2.78
参考答案:D
脑膜尾征
It is uncertain ___ side effects these weight-loss drugs will bring about, although hundreds of
thousands of patients have taken it. [ ]
A. that
B. whether
C. how
D. what