单选题
The less the surface of the ground yields to the weight of the body of a runner,______to the body.
A、
the stress it is greater
B、
greater is the stress
C、
greater stress is
D、
the greater the stress
【正确答案】
D
【答案解析】
[解析] 固定用法。 the+比较级，the+比较级。
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