The correct option is A He has a right to retain the goods until he receives compensation for trouble and expenses incurred in preserving the goods and finding out the owner.
Section 170, Indian Contract Law, 1872 states, "Bailee’s particular lien. Where the bailee has, in accordance with the purpose of the bailment, rendered any service involving the exercise of labour or skill in respect of the goods bailed, he has, in the absence of a contract to the contrary, a right to retain such goods until he receives due remuneration for the services he has rendered in respect of them."