Final answer:
The correct MLA citation for the student's Works Cited page is option A, which appropriately lists the author, the title of the short story in quotation marks, the textbook title italicized, the publisher, the year, and the page numbers.
Step-by-step explanation:
The correct formatting for a citation on the Works Cited page in MLA format for the given source is:
A. Bradbury, Ray. "Dark They Were, and Golden-Eyed." myPerspectives English Language Arts, Pearson Education, Inc., 2017, pp. 127-140.
This citation correctly formats the title of the short story in quotation marks, includes the title of the textbook myPerspectives English Language Arts, indicates the publisher, Pearson Education, Inc., includes the publication year, and lists the page range of the work.