Which of the following is a complex sentence?
A) harry had to work on the weekend to finish his report
B) Because harry took a vacation, he worked all weekend, and he finished his report
C) Because he took four day off from his job , harry had to work on the weekend to finish his report
D) harry took four days off
His job , so he had to work on the weekend to finish his report

The correct option, Because harry took a vacation, he worked all weekend, and he finished his report because this sentence was formed by subordinate clauses to the main clause using conjunctions.

The Correct option is B that shows the exact example of a complex sentence by containing subordinate clauses using conjunctions and relative pronouns.

What is a complex sentence?

A complex sentence is made by adding one or more subordinate (dependent) clauses to the most (independent) clause using conjunctions and/or relative pronouns. A clause is a simple sentence. Simple sentences contain just one clause (verb group). Complex sentences contain quite one clause (verb group).

Thus, option B is correct, because harry took a vacation, he worked all weekend and he finished his report.

Learn more about the complex sentence here:

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