投保后疏于对损失的防范和自认为身强力壮而不注意健康而导致风险的因素是( )风险因素。
A．自然B．道德C．社会D．心理
参考答案：D
______ many times, my elderly mother still can’t remember how to light the gas.
A．Had told
B．Having told
C．Having been told
D．Being told
以Rp或者R标示（）
A.前记
B.前文
C.正文
D.后记
E.附录
