Assuming the context of cargo transportation in Brazil, which of the following statements is correct? a. Air transportation is slow and cheap, pres...

Assuming the context of cargo transportation in Brazil, which of the following statements is correct?
a. Air transportation is slow and cheap, presenting a viable performance versus cost ratio when it comes to shipping high-value cargo.
b. Road transportation has high flexibility and is used to complete transportation between boarding and disembarking.
c. Railway transportation has fast times, low cost, flexibility, and low capillarity for fixed destinations.
d. Waterway transportation is the means of transportation that uses waterways for the movement of cargo/passengers.
I. Air transportation is fast and expensive, presenting a viable performance versus cost ratio when it comes to shipping high-value cargo.
II. Road transportation has low flexibility and is used to complete transportation between boarding and disembarking.
III. Railway transportation has slow times, low cost, low flexibility, and low capillarity for fixed destinations.
IV. Waterway transportation is the means of transportation that uses waterways for the movement of cargo/passengers.
a. I, II, and III
b. II, III, and IV
c. I, II, and IV
d. I, III, and IV