Fill in the blank with either E or to make the statement true. {9}_ _{8 +1,9 + 1} Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The symbol should be used because B. The E symbol should be used because C. The E symbol should be used because is not an element of the set. D. The E symbol should be used because {9} and {8 + 1,9 + 1} are equal sets. E. The symbol should be used because {9} is a set and none of the elements in {8 + 1,9 + 1} is a set. F. The symbol should be used because is an element of the set. is not an element of the set. is an element of the set.

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