甲型肝炎病毒具有哪项特点

A．是脱氧核糖核酸(DN病毒

B．黑猩猩和绒猴易感，但不能传代

C．甲型肝炎病毒感染后易成慢性携带者

D．在细胞培养中HAV引起细胞病变

E．只有一个血清型和一个抗原抗体系统

An analyst does research about bond valuation and gave her supervisor the following information about two $1000 par value option-free bonds:

The analyst's supervisor reviewed the information and stated that the information given is consistent with the expected relationships for the bond 1 but is not consistent with the expected relationships for the bond 2. Is the supervisor correct with respect to the:()

A.A

B.B

C.C