Which of the Following Indicates the Difference Between GATT and WTO

Which of the following indicates the difference between GATT and WTO?

A) WTO has strict time limits unlike GATT.
B) WTO operates on the basis of consensus unlike GATT.
C) GATT gives trading partners the right to compensation or,in the last resort,to impose (commensurate) trade sanctions unlike WTO.
D) GATT's verdict is binding unlike that of WTO's.
E) WTO allows member-countries to block adoption of arbitration reports unlike GATT.