IMO- AAdmiral 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.
Check- IDIOMS & Parallelism- [ Not only X ...But also Y ] & [As the last .....and ....the first....]
A.
but also had the distinctive stint of serving
as the last Viceroy of India
and the first Governor-General of Independent India---
CORRECT--Parallel & Correct IDIOM
B.
but also had the distinctive stint of serving as the last Viceroy of India and
only the first Governor-General of Independent India----
INCORRECT---Parallelism
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----
INCORRECT---"one only" not make sense
D.
he also had the distinctive stint of serving as the last Viceroy of India and the first Governor-General of Independent India---
INCORRECT----IDIOM Error
E.
also had the distinctive stint of serving as the last Viceroy of India and only the first Governor-General of Independent India----
INCORRECT----IDIOM Error