Question

1. which word has incorrect capitalization? that is a reproduction of the last supper. ○ that ○ supper ○ the ○ last

Explanation:

In standard capitalization rules, "the" is a definite article and should not be capitalized unless it's the first word of a sentence or part of a proper noun phrase where it's a significant part (like in some titles, but here "the" in "of the Last Supper" is not part of a title's initial word or a proper noun component that requires capitalization). "That" is at the start of the sentence, so capitalization is correct. "Last" and "Supper" in "Last Supper" (a proper noun referring to the specific event) are correctly capitalized as part of the proper noun.

Answer:

the