Which one makes the best comparison? ‘Milk” is to “glass” as the “letter’ is toA. PenB. BookC. Envelope D. Door 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Label {} [+] Name* Email* 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments