Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
Only customers with coupons may use the service.
A.(2) The service is restricted to customers in possession of coupons.
B.(1) The service is available for coupons only.
C.(4) Only customers with coupons are service here.
D.(3) Only rich customers can use the service with coupons.

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