When a teacher creates a real life situation for his students to discuss，he expects them not to focus on （）too much.

A.Words are best learned in context.
B.A lexical item can be more than one word.
C.All words in one language have equivalents in another.
D.Leaming a word includes learning its form，meaning and use.

A.Quantity maxim.
B.Quality maxim.
C.Relation maxim.
D.Manner maxim.