Which of these is an example of an idiom? apex a. it was fun to watch my baby sister play in the field of grass. b. i wasn't sure why he was angry. his mood came out of left field. c. the cat seemed angry. she hissed every time i came near. d. my brother and i got into a huge fight. my best friend had to stop us.

The correct answer is B. The sentence is using the idiomatic expression: "His mood came out of left field".

An "idiom" is a group of words which, if used in a different context, considering the individual definition of each an every word included in such idiomatic expression, would have another connotation; but once it is considered a local idiom, it shall be understood with its particular meaning.

In this case the idiom: "His mood came out of left field" means that "his anger was completely unexpected or strange."

the answer is, a) she is angry with elnora for not standing up for herself.

can you copy and paste what selections you read? the answer is based off of that.