Which sentence below uses an action verb to make its meaning more concise?
A. Tiny lights were going on and off, on and off, on and off
in the dank gloom of the wintry evening.
B. Tiny lights were coming on and off, on and off, on and
off in the dank gloom of the wintry evening.
C. Tiny lights shimmered in the dank gloom of the wintry
evening.
D. Tiny lights were blinking on and off, on and off, on and
off in the dank gloom of the wintry evening