in the 27th olympic games ,Liu hongyu was supposed to win the gold medal in jogging;she failed to,__

题目

in the 27th olympic games ,Liu hongyu was supposed to win the gold medal in jogging;she failed to,____
a yet
b though
c although
d anyway 这题选b,我其实不是很清楚这题.大家告诉我对的为什么对错的为什么错

答案

though 在这里作副词,表示“然而,可是”.
句意是：
在第27届奥林匹克运动会上,刘宏宇在慢跑这项项目里应该能拿金牌的,然而,她没有做到（她失败了）.