Commuter Marriages Have the Disadvantage of Involving Extra Costs

Commuter marriages have the disadvantage of involving extra costs.Which of the following is a reason behind this?

A) Commuter marriages mostly involve low paying jobs which make raising a family more costly.
B) Frequent traveling and maintaining two homes tend to be expensive for the couple.
C) Commuter marriages create the costs of uprooting teenage children.
D) Increased dependency between spouses creates marital discord which may lead to divorce.