Your answer would be that you should make the verb tenses consistent.
Explanation:
You should make the verb tenses consistent to make the sentence parallel. Parallel structure, also called parallelism, is the repetition of a chosen grammatical form within a sentence. By making each compared item follow the same grammatical pattern, you create a parallel construction. In the sentence above, <em>including</em> takes the VP <em>to perform</em> as a complement. That is why the verb takes the -ing form. Consequently, all the verbs should end in -ing (perfoming, devoloping, and studying). In this way, the sentence would have a parallel structure.
"David throws" is the one among the following choices given in the question that is the independent clause. The correct option among all the options that are given in the question is the second option or option "B". An independent clause always has a subject and a predicate. I hope the answer has helped you.