Which of the following signs and symptoms
题型：单项选择题
问题：
Which of the following signs and symptoms is classic for a patient with rheumatoid arthritis
A. Joint swelling, joint stiffness in the morning, and bilateral joint involvement.
B. Crepitus, development of Heberden’s nodes, and anemia.
C. Pain on weight-bearing, rash, and low-grade fever.
D. Fatigue, leukopenia, and joint pain.