逝者家属因其自身个性的差异，导致心里状态的性质、程度等方面的截然不同。
参考答案：对
If he _______ to the teacher attentively in the past year, he _______the answer to the question now.
A．had listened; would know
B．listened; knew
C．listens; knew
D．has listened ;knows
公文登记是公文处理工作的基础。
