They are able to travel up and down the country on a regular basis but again they have no guarantee of a having return loads . There are too many vehicles on the road which are being run inefficiently and without back loads . For the first Christmas ever internet shopping has overtaken the high street .
According to the above context, choose the best option to answer the following question.
Question: Why is shipping being disrupted at the moment ?
Options:
- The volume is high due to the holidays .
 - The volume is high due to people 's birthdays .
 - None of the above choices .
 - The volume is high due to an economic boom .


The volume is high due to the holidays .