Question

The room was silent for a long moment. Then, ______, a loud, piercing wail tore at our ears.
If the writer wants to convey a sense of suddenness, what is the best transition word or phrase to use in the blank for this sentence?
A) all at once
B) before long
C) after a pause
D) to our considerable astonishment

Answer 1

The answer that would best fit the blank provided above is "all at once". This is the only phrase that means "suddenly" or "unexpectedly" so this would be the perfect phrase to express a sense of suddenness in the given statement above. The answer would be option A.

Answer 2

Like @Metchelle said The correct answer is :  A) all at once

HOPE I HELPED!!!