Questão de Língua Inglesa

Which option completes lhe paragraph below correctly? The lncredible Autonomous Ships of the Future ___ we might be years or even decades away from lhe majority of vessels becoming autonomous, there are certainly artificial intelligence algorithms at work today. A fuliy autonomous ship would be considered a vessel that can operate on its own without a crew. Remote ships are those that are operated by a human from shore, ___ an automated ship runs software that manages its movements. ___ lhe technology matures, more types of ships will likely transition from being manned to having some autonomous capabilities. Autonomous ships might be used for some applications, ___ it's quite possible that there wili still be crew onboard some ships ___ ali hurdles to acquiring a fuliy autonomous fleet are crossed. (https://www.forbes.com)