An idiom is a phrase used to represent something that has nothing to do with it and is not literal. For example: raining cats and dogs means it's raining hard and not literally raining animals. Seething with rage is not an idiom as seethe basically means mad or angry. Angry or mad with rage can be literal and is not an idiom.
Mom made a pie for for desert
D) I am so terribly sorry., would be the most formal.
B) The court ruled in her favor.
Explanation:
There are 3 forms of verb. The simple form, Third form, The present participle. Here in this sentence third form of verb is used as the sentence is in Past tense. Rule is a regular verb. Regular verbs have four different forms. The fourth form is used by both past and past participle form. Regular verbs are - help, helped, helped
Carry, carried, carried.
Irregular verbs are- Cut, Run, ran , run, drink, drank, drunk, etc.
The third form of rule is used correctly in this sentence.