[单项选择]

Passage Two
"Yes, I’ll be ready at nine in the morning. Goodbye, dear, and thanks again. "It had not been an easy telephone call for Mrs. Robson to make. Her daughter had been very kind, of course, and had immediately agreed to pick her up and drive her to the station, but Mrs. Robson hated to admit (承认). that she needed help. Since her husband had died ten years before, she had prided herself on her independence (独立生活). She had continued to live in their little house, alone.
On this evening, however, she was standing at her living-room window, staring out at the SOLD notice in the small front garden. Her feelings were mixed. Naturally she was sad at the thought of leaving the house, as it was full of so many memories. But at the same time she was looking forward to spending her last years near the sea, back in the little seaside town where she had been born. With the money from the sale (出售) of the house, she had bought a little flat there.
A. lack of care
B. old age
C. the small fish tank
D. lack of water