The inefficient officer's double promotions came as a bolt from the blue. This means it came as
A.
a big relief
B.
a big surprise
C.
a welcome development
D.
an incentive
Correct Answer: a big surprise
Explanation
a big surprise
The idiom, a bolt from the blue means a complete surprise; something totally unexpected. Something completely unexpected that surprises you very much, as in the sentence, "The news of his marriage was a bolt from the blue
a big surprise
The idiom, a bolt from the blue means a complete surprise; something totally unexpected. Something completely unexpected that surprises you very much, as in the sentence, "The news of his marriage was a bolt from the blue