阅读下面短文, 从短文后各题所给的A、B、C、D四个选项中, 选出可以填入空白处的最佳选项。掌握其大意, 然后在每小题所给的四个选项中, 选出一个最佳答案。Sometimes, I wonder whether there was any love between my parents. They were busy trying to 1 their new business. They didn't act romantically. They didn't 2 their feelings. They just got used to the company of each other, and I 3 it as kinship (亲情), not love.
One day, my mother was sewing a quilt (缝被子) I sat down beside her and asked, "Is there any 4 between you and Dad?" She didn't answer at once.
I thought I had hitt her. At last my mother said, "Susan, look at this thread(线). Sometimes it 5 , but most of it disappears in the quilt. It makes the quilt 6 and durable (耐用的). If life is a quilt, then love should be a thread. It can 7 be seen anywhere or anytime, but it's really there."
I listened carefully but I didn't understand her until the next spring. My father suddenly got seriously 8 and he had to stay in hospital for at least one month. My mother took really good care of him without any 9 .
After they returned home, my mother helped my father walk slowly down the country road every day for rehabilitation training (康复训练). They two, hand in hand, supported each other. Once, I thought love meant flowers, gifts and sweet kisses. But the 10 is that love is just a thread that holds a family together.