Free LSAT Practice Question

Question 1 of 1
ID: LSAT-LR-089
Section: Logical Reasoning
Topic: Strengthen
Difficulty level: Medium

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Terminal manager: A box leaves the yard on the day it arrives only if its customs file has cleared in the overnight batch. Last month a third of the boxes whose files did clear overnight stayed the night anyway, up from a tenth the month before, and the gangs blame the crane roster. The roster, though, was unchanged. What is holding those boxes is the way the cleared list reaches the yard office.

Which one of the following, if true, most strengthens the manager's argument?

AOn the few mornings last month when the cleared list reached the yard office before six, the share of cleared boxes staying overnight was no more than a fraction of what it was otherwise.

BUnder the terminal's rule, only boxes whose files clear in the overnight batch may leave that day, so clearance governs how fast a box moves.

CThe yard office's copy of the cleared list is generated at the same moment as customs' own, and no failure of the link has been logged in the past year.

DCustoms runs the batch to an hour fixed when the terminal handled about half its present volume, and has refused every request to bring it forward.

EOn at least one morning last month the cleared list reached the yard office after the first crane shift began.

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