Which of the following is not an option for joining two independent clauses to make a compound sentence?
comma + coordinating conjunction
comma
semicolon + conjunctive adverb + comma. semicolon

The option not used for joining two independent clauses to make a compound sentence is comma. Comma is used for joinign dependent clauses or clauses that cannot stand alone or do not make sense when detached from the parent sentence. In this case, the answer would be B

We need the passage and the options.