哪种情志异常，可导致心悸、惊恐不安等症状()

A.过度愤怒

B.喜乐过度

C.过度悲忧

D.突然受惊

E.思虑过度

Nowadays many women are _____ their late twenties or early thirties when they have their first child.

A．of

B．in

C．on

D．over