The head chef must decide which one of his four sou chefs should be promoted based on high levels of creative cooking skills. All four have taken skills tests, but each took a different type of test. On all five tests, higher scores mean greater skill. Which sou chef has the best cooking skill and should be promoted?

(A) Sou Chef A scored 17 on a skill test with a mean of 9 and a standard deviation of 6.

(B) Sou Chef B scored 33 on a skill test with a mean of 31 and a standard deviation of 4.

(C) Sou Chef C scored 33 on a skill test with a mean of 10 and a standard deviation of 13.

(D) Sou Chef D scored 17 on a skill test with a mean of 11 and a standard deviation of 3.