根据以下内容回答题：When l was a child，I lived with my mother，my father having been away to

根据以下内容回答题：

When l was a child，I lived with my mother，my father having been away to work in the town．1 was then not（1）nine years old，lonely and expectant，（2）for things which I knew little about．1 walked out alone one morning along the mountain tops（3）my home stood．The sun had not yet risen，and the air（4）rain of the night and he mountain grass was heavy（5）tiny drops of water．As I looked back，I could see the marks my feet（6）on the long grassy slope behind me．1 walked till I came to a place（7）a little stream ran into the deep valley below．Here it passed between soft．（8）banks：at one place a large slice of earth had fallen away from the bank on the other side，and it had made a little island a few feet wide with water（9）all round it．It was covered with a weed with vellow flowers and long waving grasses．I sat down on the bank（10）a short pine tree．All the plants on the island were dark with the heavy raindrops of the night，and the sun had not vet risen．

1.

A.yet

B.however

C.but

D.nevertheless

请帮忙给出正确答案和分析，谢谢！