D. Dependable.
In the sentence, solid is used here as an adjective, that describes the nature of Mark. This sentence, tells us some things about Mark. For example, Mark has lived in the city, and he is a helpful nature to his neighbors. This makes him a dependable citizen and neighbor, and he is ready to help his fellows.
Further Explanation:
If we carefully notice the structure of this sentence, we shall find that this is a compound sentence. This sentence contains two main parts which are independent of each other. This sentence contains two main clauses and is joined by one common punctuation, such as a comma, or a semicolon. This sentence contains more than one subject, such as Mark, and the local people.
A compound sentence is constructed by joining two independent clauses together in the same sentence. A compound sentence is a very common way of correcting or joining together run-on sentences. The most common joining elements used are conjunctions, comma or semicolon. You can also use a combination of both conjunction and appropriate punctuation, which is the case with the above sentence. Coordinating conjunctions are used to join sentences to form a compound sentence, which provides sophistication and continuation to the literary text. The most popular coordinating conjunctions used are and, but, for, nor, or, yet, so etc. In a compound sentence, both clauses have a relationship with each other, but can still be written as individual sentences.
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Answer Details:
Grade: High School
Chapter: Compound Sentences
Subject: English Grammar
Keywords:
A compound sentence, punctuation, coordinating conjunction, run-on sentences, adjectives.
