200
Stuart wiggled his foot, drummed a Jimi Hendrix riff with his pencil, and __________, but he could not burn off the caffeine-induced energy from an extra large cup of coffee.
--------------A. chewed a mouthful of gum
------------------------------------------------------------------------ B. was chewing a mouthful of gum
------------------------------------------------------------------C. his jaw worked a mouthful of gum-------------------------------------------------------------------------------------
What is A. chewed a mouthful of gum