a. use the same grammatical construction in all similar headings throughout an outline
Using the same grammatical construction in all similar headings throughout an outline is called parallel construction. Parallel construction is also known as parallelism. This means that two or more ideas has the same degree of importance in the sentence therefore it should be written or stated grammatically equal. This can also help in establishing the clarity of the idea you want to convey in the sentence. Some examples of parallelism are the following :
of loving so much
of hating too hard
of crying so long
Its A)
<span>It cannot be a independent clause because that phrase itself cannot be its own sentence. For example in the sentence "I need some water to drink.", "I need some water" is an independent clause, because it can be a sentence that makes sense not like "to drink", because that makes no sense. So as I said before I got to talking about clauses</span>
Answer: A. The hopeful actors agreed to meet in the dressing room before the audition.
Explanation: An adverb phrase is simply a phrase that acts as an adverb to describe a verb, adverb, or adjective. Adverb phrases typically answer the questions how, where, why or when something was done. From the given options, the sentence that contains an adverbial phrase is the corresponding to option A: The hopeful actors agreed to meet in the dressing room before the audition, the adverbial phrase "before the audition" answer the question "when."