Question the-ta

3.1 Boundaries - Comma with coordinating conjunctions
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The Tantaquidgeon Museum in Uncasville, Connecticut, was founded in 1931 with the goal of showcasing the culture and history of the Mohegan blank today, nearly a century later, it is the oldest Native-owned and -operated museum in the country.

Which choice completes the text so that it conforms to the conventions of Standard English?

A.

Tribe, and

B.

Tribe

C.

Tribe and

D.

Tribe,

The Tantaquidgeon Museum in Uncasville, Connecticut, was founded in 1931 with the goal of showcasing the

Hard-difficulty · SAT Reading & Writing · Boundaries — Comma with coordinating conjunctions. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.

Answer explanation

Choice A is the best answer. This choice uses a comma and a coordinating conjunction (“and”) to join two independent clauses (“The Tantaquidgeon…Tribe” and “Today…country”).

Choice B is incorrect. This choice results in a grammar error known as a run-on sentence. The clauses before and after “Tribe” are both independent, so they need to be separated with some sort of punctuation. Choice C is incorrect. This choice results in a grammar error known as a run-on sentence. The clauses before and after “and” are both independent, so they can’t be linked with just a conjunction. A comma would also be required. Choice D is incorrect. This choice results in a grammar error called a comma splice. The clauses before and after “Tribe” are both independent, so they can’t be linked with just a comma. A coordinating conjunction like “and” or “but” would also be required.