8. The following compound will have a proton NMR spectrum that shows:

O CH3

O O

CH3 CH3

(
(A) two singlets, area ratio 3:1.
(
(B) two singlets, area ratio 9:1.
(
(C) three singlets, area ratio 3:3:6.
(
(D) four singlets, area ratio 3:2:6:1.
(
(E) six singlets, area ratio 3:3:3:1:1:1.

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