Which of the following sentence correctly uses punctuations?

A Singapore’s “Gini coefficient”, the best-known economic measure of income disparity……..is the second highest in the developed “ world.

B Singapore’s “Gini coefficient”-------- the best-known economic measure of income disparity……..is the second highest in the developed “ world.

C Singapore’s “Gini coefficient”: the best-known economic measure of income disparity is the second highest in the developed “ world.

D Singapore’s “Gini coefficient” : the best-known economic measure of income disparity: is the second highest i

Correct Answer: Option A