Patient came with severe pain related to right 1st mandibular molar, there's no swelling Related, pulp test is negative, no evidence in radiograph

Patient came with severe pain related to right 1st mandibular molar, there's no swelling Related, pulp test is negative, no evidence in radiograph. Diagnosis:

A. Irreversible pulpitis

B. Acute periodontal abscess. ***

C. Suppurative periodontal abscess