单项选择题

When her husband left home, Eileen Doyle ________.
[A] could not forgive him for taking the children [C] could not understand why
[B] had been expecting it to happen for some time [D] blamed herself for what had happened

A.When her husband left home, Eileen Doyle ________.
B.could not forgive him for taking the children [C] could not understand why
C.had been expecting it to happen for some time [D] blamed herself for what had happened