247.Distinguished architecture requires the expenditure of large sums of money, even if it is by no means certain that the expenditure of large sums of money produce distinguished architecture.
(A) even if it is by no means certain that the expenditure of large sums of money produce
(B) even if it is by no means certain that the expenditure of large sums of money will produce
(C) even though there is no certainty that the expenditure of money in large sums produces
(D) even though it is by no means certain that the expenditure of large sums of money produces
(E) though there is no certainty as to the expenditure of money in large sums
producing

Please EXPLAIN your answers.
thanks.

imo C

It shud be B for IF-is-[THEN]-will

D. even though is better than even if. it is preferred over there is.

D...........

Should be 'D'

Correct S-V agreement. Expenditure........produces

C is awkward - even though there is no certainty that the expenditure of money in large sums produces
A and B are also out because of incorrect S-V agreement.

E is wordy.

D for me as well

A/B should be produces not produce
C - No certainty that is cumbersone
D - Correct
E - No certainty as to the expenditure of... concision problem.

Is the use of though in Answer Choice E ok? I would say it should be although or eventhough or another contrast word.

Go with D. SV agreement.