Take another look at the original sentence:

Mark searched the nearly empty refrigerator for a midnight snack his only choices were curdled milk, stale pizza, and grape jelly, any combination of which he couldn't stomach.

You wanted to fix it this way:

Mark searched the nearly empty refrigerator for a midnight snack, so his only choices were curdled milk, stale pizza, and grape jelly, any combination of which he couldn't stomach.

A perfectly good way to connect two main clauses is to use a comma and a coordinating conjunction like so. However, when you use this method, you must choose a coordinating conjunction that logically joins the two clauses. In the example above, so, which means as a result, would be an illogical choice.

You might want to consult the rules for fixing comma splices and fused sentences.

Go back to the sentence to try again.

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