helppppppppp.........................

Answer:
you find the solution to each then arrange from smallest to largest and you'll get the answer
Answer:
D
Step-by-step explanation:
A: 2346
B: 357
C: 168
D: 1239
E: 12345
when put in order from smallest to largest, the order is:
C, B, D, A, E
The middle is D, so the answer is D.