The correct answer is CX i.e. complex sentence
A complex sentence consists of one independent clause and at least one dependent clause. It works best when you need to change or amplify the main notion of your claim.
When we need to add extra details to prove our position, we utilise complex sentences. For instance, "Since he didn't finish his task by the due date, he didn't receive a prize after dinner."
The terms as, as if, before, after, because, though, even though, while, when, whenever, if, during, as soon as, as long as, since, till, until, where, and anywhere are frequently used to create complex phrases. Subordinating conjunctions are the name for these terms.
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