Which sentence in the passage most clearly uses parallelism?
(1) Robert's chief occupation seemed to be frowning. (2) A
frown must have been his natural expression. (3) For
example, he didn't so much read the morning paper but
frown at it. (4) I imagine he frowned his teeth clean,
frowned his breakfast, and frowned his daily commute too.
O A. 2
B. 1
C. 3
D. 4