English Grammar find the error in given sentence

he keep taking/(a)risks for too /(b)long and lost out/(c) no error /(d) - he keep taking / (a) risks for too / (b) long and lost out / (c) no error / (d) - find the error in given sentence English Grammar in hindi,  Spot the error  question answers in hindi pdf   questions in hindi, Know About English Grammar online test English Grammar MCQS Online Coaching in hindi quiz book