Which citation is correctly punctuated in MLA style?
A
"Mario Campos Gutiérrez, supervisor of Grupo Beta Sur, estimates that half eventually get here—after repeated attempts." (Nazario 4)B
"Mario Campos Gutiérrez, supervisor of Grupo Beta Sur, estimates that half eventually get here—after repeated attempts" (Nazario 4).C
"Mario Campos Gutiérrez, supervisor of Grupo Beta Sur, estimates that half eventually get here—after repeated attempts. (Nazario 4)"D
"Mario Campos Gutiérrez, supervisor of Grupo Beta Sur, estimates that half eventually get here—after repeated attempts (Nazario 4)."