下列叙述与免疫无关的是（　　）

A．患过麻疹的人不会再患麻疹

B．吃感冒药可预防感冒

C．天花病毒的抗体由淋巴细胞产生

D．吞噬细胞可以吞噬侵入人体的病原体

The club I____ and their club will unite to ____ the competition against the team from Wuhan. [ ]

A. joined, take part

B. joined in, attend

C. joined, join in

D. attended, take part in