GMAT Sentence Correction (SC) | Re: 1997 was the Year of the Flood, as record precipitation in

A for me too..
However, I have a question.
In such cases, how to determine whether a section is a part of the list or just modifying an element in the list?

In this case ,
C. sent rivers and streams out from their banks in widely separated parts of the country, uprooted hundreds of thousands of people, killing

How to determine whether killing... is a part of the list or is modifying "uprooted hundreds of thousands of people"

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