These tiny ants are amazing. In the Sahara desert, where most creatures avoid going out in the middle of the day to avoid high temperatures,the Saharan silver ants have evolved(进化)a number of adaptations to do just that. Scientists have discovered that several unique features of the Saharan silver ants permit them to grow well in a scorching climate.

What does the underlined word “scorching”in Paragraph 2 mean?

A．extremely chilly	B．extremely cool
C．extremely mild	D．extremely hot