单选题
It is agreed that a person is more likely to suffer from arteriosclerosis ______.
A、
as he becomes older
B、
if his immune system does not work properly
C、
when the cells of his brain and spinal chord decline
D、
when the cells in his kidneys decline in number
【正确答案】
A
【答案解析】
最后一段指出arteriosclerosis与基因以及一些外在环境有关，最后总结It is therefore an age-related，选项A符合。
提交答案
关闭