Identify the incorrectly punctuated sentence.

A. Fred slipped on the ice, spraining his finger, and his wrist.
B. He cannot take part in the bowling tournament, but he is going anyway.
C. He can hand out tickets, organize teams, and keep scores.
D. Fred will lend his bowling ball and his team shirt to Caitlin.

A. Fred slipped on the ice, spraining his finger, and his wrist. (Incorrectly punctuated - needs a comma before "and")

The incorrectly punctuated sentence is:

A. Fred slipped on the ice, spraining his finger, and his wrist.