Horseshave a unique system of interlocking ligaments and bones in their legs, serving as a kind of sling in which,with their body weight suspended and the muscles in their limbs completelyrelaxed, the result is they are able to sleepstanding up.
a)legs, servingasa kind of sling in which, with their body weight suspended and the muscles intheir limbs completely relaxed, the result is 主语是马,用ing的意思是马作为一种吊索❌ the result is they are 两个谓语
b)legs that serve as a kind of sling in which to suspend their body weight, themuscles in their limbs being completely relaxed; as a result,
c)legs that serve as a kind of sling in which, with their body weight suspendedwhile the muscles in their limbs are completely relaxed, the result is
d)legs that serves as a kind of sling in which, with their body weight suspendedand the muscles in their limbs completely relaxed, having the result that
e)legs that serves as a kind of sling in which their body weight is suspendedwhile the muscles in their limbs are completely relaxed; as a result, 请教一下大神们这个题的D选项是不是错在 having上? 句子中的 in which自己不是很明白 还请大神赐教
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