irascible \i-ˈra-sə-bəl\ adjective 1. Having or showing a tendency to be easily angered. Middle French, from Late Latin irascibilis, from Latin irasci to become angry, be angry, from ira.

Using the dictionary entry, which sentence uses irascible correctly?

A.
The irascible dog growled and snarled whenever strangers neared the fence.

B.
When Sadie heard the concert had been cancelled, she became irascible and cried herself to sleep from disappointment.

C. On the days when Liam's guitar lesson proved he had practiced hard all week, his teacher was irascible instead of her usual cheerful self.

D.
Mr. Cowen, a well-liked science professor, often gave his students funny nicknames, which demonstrated his irascible nature.

A. The irascible dog growled and snarled whenever strangers neared the fence.