Answer: C. transport
Step-by-step explanation:
A. "Transportation" is the act or process of moving people or goods from one place to another. It's a noun which doesn't fit in this context.
B. "Transportable" is an adjective that means something can be transported or moved, but it doesn't represent the minibus itself.
C. "Transport" is a noun or a verb that means the movement of people or goods from one place to another. In this context, "transport" is the correct verb, as it represents the minibus's role in moving the students.
D. "Transporter" is a noun that refers to a person or thing that transports or moves people or goods.