There are differences between APA and MLA style. Among the following statements, which one is inappropriate?

A、The MLA uses the page number in the citation while the APA uses the year.;

B、MLA tends to use present tense verbs where APA leans toward past tense.;

C、Both MLA and APA have the option to use footnotes to include nonessential information.;

D、The APA style requires all references listed alphabetically by author, then chronologically by work.