新生儿最适应的室内温度是()

A．16～18℃

B．18～20℃

C．20～22℃

D．22～24℃

E．24～26℃

All the villagers _____ the fight against the big flood, _____ young and old, men and women.[ ]

A. joined; including

B. joined in; containing

C. joined in; including

D. joined; containing