Which line from “my first memory (of librarians)” is an implicit detail that shows how the speaker felt about the library?

A. A line of green shades—bankers’ lights—down the centerB. In the foyer up four steps a semicircular desk presidedC. On the right newspapers draped over what looked like a quilt rackD. All those books—another world—just waiting

D is the best answer. 

Sorry i don’t know i just need the points

Ithink that story needs some revising. hmm some academic language perhaps? and sylvia is but i do think that rainbow is spectacular