When drive-ins were at the height of their popularity in the late
A. there are less than one-quarter that many
B. there are fewer than one-quarter as many
C. there are fewer than one-quarter of that amount
D. the number is less than one-quarter the amount (C)
E. it is less than one-quarter of that amount
why C? and why not D?
number is lower than /not less than
one qurter of the amount
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