Select the option that completes the sentence CORRECTLY. ______she was not…

Concept

A subordinating conjunction links a dependent clause to a main clause and signals the logical relationship between them: cause/reason (because, as, since), concession/contrast (although, though), place (wherever), or contrast within a sentence (however). The right choice depends on the relationship the two clauses actually have.

Application

The two clauses are “she was not well” and “I offered to help her.” Her not being well is the reason the speaker offered help, so the clauses form a cause-and-effect relationship. The conjunction that introduces a reason is “Since” (here meaning “because / as”), giving: “Since she was not well, I offered to help her.”

Cross-check / contrast

• “Although” sets up a contrast (helping in spite of her being unwell), which contradicts the logic that her illness is exactly why help was offered.

• “Wherever” introduces a place, not a reason, so it cannot link the two clauses here.

• “However” is a contrast adverb (but / nevertheless) needing different punctuation and meaning; it cannot introduce the reason.

Only the causal conjunction matches the cause-effect link, so “Since” completes the sentence correctly.