The conjunction in the sentence is to. It is a subordinating conjunction. Hence the correct option is (Option B)
What is a conjunction?
A conjunction is an element of speech that joins words, phrases, or clauses that are known as conjunction conjuncts.
This definition may overlap with those of other elements of speech, therefore each language must specify what makes a "conjunction."
What is a subordinating conjunction?
A subordinating conjunction is a word or phrase that connects one sentence to another.
This word or phrase implies that a clause has information to add to the primary concept of the sentence, indicating a cause-and-effect link or a change in time and location between the two sentences.
Learn more about conjunctions:
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