Read the excerpt below and answer the question. "if i sought to answer all the criticisms that cross my desk, my secretaries would have little time for anything other than such correspondence in the course of the day, and i would have no time for constructive work." how are the underlined clauses related to parallel structure? a. the underlined independent clauses in the passage above are linked by parallel structure. b. the underline independent clauses in the passage above are not linked by parallel structure. c. the underline independent clauses in the passage above are linked by perpendicular structure. d. the underline dependent clauses in the passage above are linked by parallel structure.