Read this sentence from paragraph 2.
 The air was cool enough to make the warm sun pleasant on one's back and shoulders, and
 so clear that the eye could follow a hawk up and up, into the blazing blue depths of the sky.
 What meaning is conveyed by the phrase "blazing blue depths of the sky"?
 A
 The sky is the color of water. 
 B The day is hot under a blazing sun.
 C
 The sky seems blue and vast like an ocean.
 D The hawk looks like he is flying over the ocean.