单选题 The sense of trust in an infant is under development when ______.

A、 the infant experiences some satisfaction
B、 adults' trust is adequate
C、 the infant learns how to move
D、 the infant is surrounded by people he can recognize

【正确答案】 A

【答案解析】[解析] 本题的依据句是"Rather, the concept‘sense of trust’is a shortcut expression intended to convey the characteristic flavor of all the child's satisfying experiences at this early age．”，从中可知A项为正确答案。