Imagine That a New Drug Is Proposed Which Is Hypothesized

Multiple Choice

Imagine that a new drug is proposed which is hypothesized to selectively bind the transcription factor TBP.Which of the following would be affected?
I.RNA polymerase I
II.RNA polymerase II
III.RNA polymerase III
IV.E.coli RNA polymerase

A) (V)
B) I, II, III
C) I only
D) II only
E) IV only