In which line does the poet use caesura?

Question

A) “Over many a quaint and curious volume of forgotten lore—"
B) “And each separate dying ember wrought its ghost upon the floor.”
C) “Once upon a midnight dreary, while I pondered, weak and weary,”
D) “For the rare and radiant maiden whom the angels name Lenore—"

Answer 1

A) “Over many a quaint and curious volume of forgotten lore—"

Answer 2

correct answer is "once upon a midnight dreary, while I pondered, weak and weary"

Answer 3

Apologies for the incorrect answer. You're right, the poet uses caesura in the line "Once upon a midnight dreary, while I pondered, weak and weary."