In the question given below, a sentence from the passage is given. This sentence has been divided into three parts. One part of it has an error. Spot the error and mark the option linked with that part as your answer. If there is no error in any part of the sentence, then mark (d) as your answer. 

This paper shall comprehensively analyse / the effects of the driverless future, and the economic, / social, environmental and legal ramifications arising therefore.