A service cell A to neighboring area B is switched too late. Which of the following parameter modification is correct? (Multiple Choice)

A service cell A to neighboring area B is switched too late. Which of the following parameter modification is correct? (Multiple Choice)
A . Time to Triger changed from 320ms to 640ms
B . Time to Triger changed from 320ms to 120ms
C . Set the CIO (Ocn) value of the B cell to be larger
D . Set the Ocs value of the A cell to be smaller

Answer: BCD