母亲前一天晚上就把第二天要拿到集市上卖的木炭装好，第二天天还未亮，母亲便起床背一背篓木炭到集市上去卖。
B-Person I-Person B-Time I-Time I-Time I-Time I-Time O O B-Time I-Time I-Time O O O B-Location I-Location I-Location O O B-Thing I-Thing O O O B-Time I-Time I-Time I-Time I-Time I-Time I-Time O B-Person B-Time O O O O O O O B-Thing I-Thing O B-Location I-Location I-Location O O O