Whats Obamas attitude towards diplomacy with Iran？A．He will be continuously against Iran.B

Whats Obamas attitude towards diplomacy with Iran？

A．He will be continuously against Iran.

B．He is willing to talk with Iran.

C．He doesn"t care it at all.

D．He is friendly with Iran all the time.

请帮忙给出正确答案和分析，谢谢！