I need help asap What is the meaning of the word blanket in the following sentence: “Douglas fir, aspen, and piñon pine trees in the Cibola National Forest blanket the mountain. Spires of volcanic rock rise on the north slope.”?

A. warm up
B. hide
C. cover
D. color

Read the excerpt from infinite jest 'my application's not bought," i am telling them, calling into the darkness of the red cave that opens out before closed eyes. 'tam not just a boy who plays tennis. i have an intricate history. experiences and feelings. i'm complex. "read,' i say. 'i study and read. i bet i've read everything you've read. don't think i haven't. i consume libraries. i wear out spines and rom-drives. i do things like get in a taxi and say, "the library, and step on it." my instincts concerning syntax and mechanics are better than your own, i can tell, with due respect. the theme suggested by the excerpt is about a. being understood b. the value of education c. wisdom versus foolishness d. learning responsibility