–Which hair band do you like best, madam?–I can't decide now. I really don't know _________.
A:to choose which one
B:choose which one
C:which one to choose
D:which one I should choose it
友谊是历代诗人吟咏的重要内容。下列诗句中反映了益(挚)友之间真挚友谊的是( )