单选题 What really needs to be considered is how we ______ our next sales result.

【正确答案】 C

【答案解析】选项A错误，情态动词后面应该是动词原形。选项B错误，“he”表明是被动语态，而“forecast”不是被动形式。选项C正确。选项D错误，情态动词后面都是动词原形。