People feel safer behind some kind of physical barrier.If a social situation is in any way threatening, there is an immediate urge to (16) such a barricade. For a tiny child faced with a stranger, the problem is (17) solved by hiding behind its mother's body and peeking out at the intruder to see what he or she will do next.If the mother's body is not (18) ,a chair or some other piece of solid furniture will (19) If the stranger insists on coming closer, then the peeking face must be hidden too.If the (20) intruder continues to approach despite these obvious signals of fear, then there is nothing for it (21) to scream or flee.
This pattern is (22) reduced as the child matures.In teenage girls it may still be detected in the giggling cover-up of the face when embarrassed.But (23) the time we are adult, the childhood hiding is expected to disappear altogether, as we (24) stride out to meet our guests, customers, or friends.Each social occasion involves us, once again, in slightly threatening encounters similar to the ones (25) made us hide as scared infants.In other words, the (26) is still there, but their expression is blocked.Our adult (27) demand control and suppression of any primitive urge to withdraw and hide ourselves away.The more formal the occasion, the more (28) the moment of encounter becomes.Watching people under these conditions, it is possible to a (29) the many small ways in which they continue to "hide behind their mother's skirts." The actions are still there, but they are less (30).It is these that are the Barrier Signals of adult life.
19.
A、do
B、go
C、manage
D、succeed
【正确答案】：A
