Question

【题目】Meyer and his team were the first ______ how the disease spreads from animals to humans.

A．showing B．show

C．to show D．shown

Answer 1

【答案】C

【解析】

试题解析：本题考查非谓语动词，非谓语动词作定语前有the only, the last, the next,the first, the best 等序数词或形容词最高级时，必须用不定式。