[单项选择]

Like all other mothers who have small children, I, too, have to steal time--from my own children at home and from the children who know me as their teacher--just to put a few words down on paper. Many times I’ve wanted to write for myself, for other women, for my parents, for my husband, and especially for my children. I would have liked to leave a legacy (遗产) of words explaining what it has meant to have twins (双胞胎). One reason there is not a great deal written about being a mother of a new baby is that there is seldom a moment to think of anything else but the baby’s needs.
With twins, I did not have a spare hand to write with.
Before my twins were born, my days were long and I had nothing to write about. After the twins’ birth I did have something to write about, but I found myself facing not a pen and paper but milk bottles.
Some nights, friends would visit. They would leave at 11 p.m. , heading for bed, and for us the night was only
A. when her babies were asleep
B. when the feeding was over
C. when her friends left
D. when evening began