Many sat at the table, looked at the plate and______her lips.
【正确答案】 A
【答案解析】解析：题干：玛丽坐在餐桌旁，眼睛盯着盘子，一副垂涎三尺的样子。smack one's lips“(馋的)舔嘴唇”，故选A。