she gave him a piece of cheese he put the ( )of cheese in his pocket a bit b bar c block d packet
问题描述：
she gave him a piece of cheese he put the ( )of cheese in his pocket a bit b bar c block d packet
答案选的A为什么啊
答
a bit of ：一点
a bar of ：一块
a block of ：一块
a packet of ：一包
它前面提到是一片奶酪,用排除法,B,C一块奶酪当然不合适,而D一包奶酪更不符合常理