Yizhen company recruitment

Analysis: "The company can not hire him" in the title is equivalent to "the company can not hire him" and is contradictory to "the company must hire him". There must be a truth and a fallacy. The rest (1) and (4) must be true or false according to the meaning of the question. Because if (4) is true and (1) is also true, then (4)- is false, that is, the company does not hire Xiao Chen; Then (1) is true, and Xiao was hired by the company. Choose a.