According to the conversation, bananas have to be grown in the hothouse in the UK becauseA

According to the conversation, bananas have to be grown in the hothouse in the UK because

A．they are quite popular there and people may steal them.

B．the soil there is not fertile enough to grow them.

C．the climate in the UK is not warm enough to grow them.

D．bananas grown in the hothouse are more nutritious.

请帮忙给出正确答案和分析，谢谢！