Correct Answer: Shuttle

Solution : The second option is the correct answer .

A shuttle is a vehicle or device used to transport people or goods back and forth between two places, often in a regular and repetitive manner.

The meanings of the other options are as follows:

• Grapple is to engage in a struggle or wrestle with a problem or opponent.
• Rupture is the act of breaking or bursting, often referring to a structure or a relationship.
• Foster is to nurture, promote, or care for the growth.

Therefore, the correct choice is s huttle .