A. as a real limb does,enabling the amputees to walk at near walking speed,allowing for typical variations in the speed, andmaking it possible for the amputees.--> Correct.
B. like a real limb, to enable the amputees to walk at near walking speed, to allow for typical variability in the speed,making it possible for the amputees.--> Not Parallel. C. like a real limb,enabling the amputees to walk at near walking speed,to allow for typical variations in the speed, and to make it possible
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B. like a real limb, to enable the amputees to walk at near walking speed, to allow for typical variability in the speed,making it possible for the amputees.--> Not Parallel. C. like a real limb,enabling the amputees to walk at near walking speed,to allow for typical variations in the speed, and to make it possible
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