Which sentence is punctuated correctly?

Choice B is punctuated correctly because the semicolon joins two closely related complete sentences: “I have been preparing all week” and “I feel nervous but ready for the audition.” In A, the comma incorrectly separates “take place” from the phrase that follows. In C, a semicolon should not come before “and” joining the clauses, and in D, the comma incorrectly separates “unless” from its clause.

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