private static void clearQuestionMarkAttr(int addCnt) {
		int i;
		for(i = questionList.size() - addCnt; i < questionList.size(); i++){
			if(questionList.get(i))
				continue;
			if(questionTableSet.contains(TableNames.get(i))){
				parsingRemove(i);
				i--;
			}
		}
	}