Concept:On the number line, the number farthest to the right is the largest. Zero is greater than every negative number, and among negatives the one closest to zero is the largest.Solution:The numbers are −1,0,−6,−3.0 is the only number that is not negative.Order from smallest to largest: −6<−3<−1<0The largest is 0.Key point:−6 has the biggest digit but is the smallest number; a bigger negative is further left.Answer:Option A (0)