Select the most appropriate option to substitute the underlined segment in the given sentence to make it a meaningful sentence. If no substitution is required, select ‘No substitution’.
One must not only have the ability to read voraciously but have the necessary training in comprehending and remembering all the relevant details.

A

No substitution

B

not only have the ability to read voraciously but also had

C

not only have the ability to read voraciously but also have

D

not only have the ability for read voraciously but also have