What is the correct order of execution for Visualforce Page "postback" requests (when user interaction requires a page update)?

What is the correct order of execution for Visualforce Page "postback" requests (when user interaction requires a page update)?
A . 1) Decode View State
2) Evaluate expressions and method calls for the main page and custom components
3) Upon successful completion, Evaluate the action that triggered the postback
4) Upon successful completion, Update data and redirect user/update view state
5) HTML sent to browser
B . 1) Evaluate expressions and method calls for the main page and custom components
2) Decode View State
3) Upon successful completion, Update data and redirect user/update view state
4) Upon successful completion, Evaluate the action that triggered the postback
5) HTML sent to browser
C . 1) Decode View State
2) Evaluate expressions and method calls for the main page and custom components
3) Upon successful completion, Update data and redirect user/update view state
4) Upon successful completion, Evaluate the action that triggered the postback
5) HTML sent to browser

View Answer

Answer: A