Sentence Correction (SC) | Analysts blamed May's sluggish retail sales on unexciting merchandise

daagh mikemcgarry Sir, Although I do understand that B is the correct answer choice, I have couple of queries regarding the usage of "slowing", in particular, as follows:

1)How to determine whether "slowing" is a verb-ing modifierwithout a comma modifying the noun,"weather", from the main clause?
2)How to determine whether "slowing" is acting as a verb-ing modifierwith a comma to modify the action in either the main clause or the relative clause?
("Analysts
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