Let U={1,2,3,4,5,6,7,8,9,10,11,12}; A={1,3,5,7,9,10}; B={1,2,3,5,7}; and C={2,4,6,7,8}. Perform the indicated operation. Which of the following options shows the correct solution?

A) A ∪ B
B) A ∩ B
C) A ∪ C
D) A ∩ C