Which pair of numbered statements best completes the chart related to the features of the chambers of Congress?

House of Representatives:
Can impeach public officials
(1)
Senate:
Votes on treaties
(2)

A. (1) All states have equal representation; (2) Representation based
on state populations

B. (1) Led by a president pro tempore; (2) Led by a speaker

C. (1) Proposes all tax bills; (2) Approves presidential appointments

D. (1) Not affected by gerrymandering: (2) Affected by
gerrymandering