---It is what parents say and do that really matters in children’s character training.

--- _________.

A．Properly

B．Doubtfully

C．Simply

D．Absolutely

义务人应权利人的要求向保险人投保自己信用的保险属于______。

A．责任保险
B．信用保险
C．保证保险 D．担保保险