What Is the Role of Weights in Computing GDP

What is the role of weights in computing GDP?

A) The weights take into account the different time periods in which the goods are produced.
B) The weights take into account the different uses of the goods and services produced.
C) The weights take into account the different locations in which the goods are produced.
D) The weights enable the adding up of different products.
E) The weights take into account whether the goods and services are for private or government use.