支付宝（非促销）成交笔数
参考答案：
买家未参与宝贝促销活动产生的支付宝成交笔数。
You ___ me, but since you have,I’ll keep it secret from others.
A．needn’t have told
B．didn't need to tell
C．wouldn't have told
D．couldn't have told
吃白饭咀嚼的时间久了会产生甜味，请问是由于咀嚼白饭久了产生了何种物质（）
A、麦芽糖
B、蔗糖
C、葡萄糖
