sevenplusplus wrote:
Experts -- could you help me understand if, written as below, B would be a correct sentence?
Trying to understand the difference between participle modifier here.
B. not as a single substance but as a biological family of complex molecules playing
C. not as a single substance but as a biological family of complex molecules that play
Hey I am no expert, but IMO option B ( present participle phrase without comma) is grammatically correct, because it modifies molecules in same way as does option
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