GMAT Sentence Correction (SC) | A group of industrial designers suggested that the use of bamboo

Hey Sayan,
You're absolutely right.
The examples you've discussed here are spot on.
And in almost all cases there is no need for the repetition of the Verb at the end -
as you've pointed out.

Your explanation does make me wonder what made me so sure about eliminating B.

One aspect that made me choose C is the construction. It isn't completely the same as the ones you've discussed.

"A group of industrial designers suggested that the use of bamboo be more widely introduced into production