Correct option is C
The correctly spelled option that can substitute the highlighted word in the given sentence is (c) carrier.
The sentence should read: "The goods were taken on a public carrier."
In this context, a "carrier" refers to a means of transporting or carrying goods, which is the appropriate term.
Meanings of the options:
carier: Incorrect spelling.
carryer: Incorrect spelling.
carrier: Correct spelling, refers to a means of transportation.
courier: A person or company that delivers packages, documents, or messages. It's not the most appropriate term for transporting goods in this context.