Some economic historians
that late nineteenth- and early
twentieth-century households in the United States experienced an economy
of scale when it came to food purchases-they assumed that large
households spent less on food per person than did small households.
Economist Trevon Logan showed, however, that a close look at the
available data disproves this supposition.

Which choice completes the text with the most logical and precise word?
or phrase? (34%)
A. regretted
B. surmised
C. contrived
D. questioned