A, this one seems like A very big sister head, encounter things in life can go looking for them to discuss, but don't involve the interest of the individual, otherwise you'll be pit also don't know?

B this kind of person is more straightforward, they wouldn't play some tricks, if encounter things the first time for they must be right, but you understand that this very candid people usually keep other people's secret oh.

C this kind of people are usually more sensitive to the kind of person, the person is extremely sensitive to things hold a attitude, but when you find they unbosom, you may rest assured, because they are not only professional listener but oh will keep secret for you.(Psychological tests /test/)

D this type of person is the most appropriate do your girlfriends, their work is usually more cautious, if you have what secret can tell to them, and they are worth trusting reason is too forgetful, maybe you just finished with them in the heart of the secret, the next second, they will be forgotten.