Arrange the Following Numbers in Middle-Digit Order: 01-30-49, 01-31-40, 02-30-49

Multiple Choice

Arrange the following numbers in middle-digit order: 01-30-49, 01-31-40, 02-30-49, 02-36-40, 20-39-50, 03-40-50.

A) 01-31-40, 02-36-40, 01-30-49, 02-30-49, 03-40-50, 20-39-50
B) 01-30-49, 02-30-49, 01-31-40, 02-36-40, 20-39-50, 03-40-50
C) 01-30-49, 01-31-40, 02-30-49, 02-36-40, 03-40-50, 20-39-50
D) 20-39-50, 03-40-50, 02-36-40, 02-30-49, 01-31-40, 01-30-49