Is it E ?
We are asked to justify the variation in mortality rates leading to smaller
groups from spring through early autumn.
A - weakens the argument
B - cannot conclude. We just know it varies
C - Cannot conclude. If anything it can weaken the argument
D - If winters are harsh, the group size should reduce in winter. We
are told that the voles live in larger groups through winter
E strengthens the argument.
GMAT Prep
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Source: Beat The GMAT — Critical Reasoning |
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