Admiral of the Fleet Louis Mountbatten, a decorated British naval officer and statesman, not only had a brilliant career in the military as he served as the Supreme Allied Commander, South East Asia Command during the Second World War but also had the distinctive stint of serving as the last Viceroy of India and the first Governor-General of Independent India.

A. but also had the distinctive stint of serving as the last Viceroy of India and the first Governor-General of Independent India

B. but also had the distinctive stint of serving as the last Viceroy of India and only the first Governor-General of Independent India

C. but also had the distinctive stint of serving as the last Viceroy of India and the first one only Governor-General of Independent India

D. he also had the distinctive stint of serving as the last Viceroy of India and the first Governor-General of Independent India

E. also had the distinctive stint of serving as the last Viceroy of India and only the first Governor-General of Independent India

EG
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Admiral of the Fleet Louis Mountbatten, a decorated British naval officer and statesman, not only had a brilliant career in the military as he served as the Supreme Allied Commander, South East Asia Command during the Second World War but also had the distinctive stint of serving as the last Viceroy of India and the first Governor-General of Independent India.

A. but also had the distinctive stint of serving as the last Viceroy of India and the first Governor-General of Independent India - correct

B. but also had the distinctive stint of serving as the last Viceroy of India and only the first Governor-General of Independent India - redundant

C. but also had the distinctive stint of serving as the last Viceroy of India and the first one only Governor-General of Independent India - redundant

D. he also had the distinctive stint of serving as the last Viceroy of India and the first Governor-General of Independent India - but also is missing and second subject is not needed

E. also had the distinctive stint of serving as the last Viceroy of India and only the first Governor-General of Independent India - redundant