Which of the following was/were the main feature(s) of the Government of India Act, 1919?
1. Introduction of separate electorates for Muslims
2. Devolution of legislative authority by the Centre to the Provinces
3. Expansion and reconstitution of Central and Provincial Legislatures
Select the correct answer using the code given below:

Options

A. 2 only
B. 1 and 3
C. 3 only
D. 2 and 3