Not only are companies interested in mining social media data for insights regarding consumer products and marketing,
they also want data in order to better guide product development and plan manufacturing schedules, as well as to generate predictive models that incorporate such factors as weather and employee data.
Generally we us " Not only X but also Y" as a correct Idiom, but we can also use "NOT only X also Y"
Not Only: Correct Idiom
Companies: Plural Subject
Are interested:Plural Verb
in mining social media data for insights regarding consumer products and marketing: Correct Prepositional Phrase
they: Plural pronoun use for companies
Also: Correct Idiom
want: plural Verb
in order to better guide product development and plan manufacturing schedules: Correct parallelism in order to X and Y
as well as to generate predictive models that incorporate such factors as weather and employee data: Correct Parallelism as well as to Z
A. they also want data in order to better guide product development and plan manufacturing schedules, as well as to generate
Correct Answer B. they also want data in order to better guide product development and
planning manufacturing schedules, as well as to generate
Parallelism ErrorC. also
wanting data in order to better guide product development,
planning manufacturing schedules, as well as
generating Verb Error and Parallelism ErrorD. but also want data in order to better guide product development to plan manufacturing schedules, as well as
generating Parallelism ErrorE. but also
wanting data in order to better guide product development and
planning manufacturing schedules, as well as to generate
Verb Error and Parallelism Error