For the following carbocations the correct order of stability is
I: \({ }^{\oplus} \mathrm{CH}_{2}-\mathrm{COCH}_{3}\)
II: \({ }^{\oplus} \mathrm{CH}_{2}-\mathrm{OCH}_{3}\)
III: \({ }^{\oplus} \mathrm{CH}_{2}-\mathrm{CH}_{3}\)
(A) \(\|<\|<1\)
(B) \(\|<1<\|\)
(C) \(1<\|<\|\)
(D) \(1<111<11\)
Ans: (D)