Read the following sentence. what type of sentence is it? although mary isn’t fond of reading, she read harper lee’s to kill a mockingbird, and she found it fascinating.
a. simple sentence
b. complex sentence
c. compound sentence
d. compound-complex sentence

The correct option is option D.  compound-complex sentence

Explanation:

First, a compound sentence is formed when two independent clauses combine. Second, a complex sentence forms when a dependent clause is joined to an independent clause. And finally, the compound-complex sentence is the ones which bring these two sentence forms, compound, and complex, together.

That is to say, compound-complex sentences contain at least two independent clauses and at least one dependent clause.

Bearing in mind the described above, it could be said that the sentence "Although Mary isn’t fond of reading, she read Harper Lee’s To Kill a Mockingbird, and she found it fascinating" represents an example of a compound-complex sentence.

c

explanation: