Which of the following are true?

A. 6.8>5.9
B. -2.5>-1.9
C. -4.7<2.3
D. 3.5<-7.1

A)A and C
B)C and D
C)B and D
D)A and B

The correct answer is: D) A and B.

Both statements A and B are true. 6.8 is greater than 5.9, and -2.5 is greater than -1.9.