By which one of the following Acts did the Governor General of Bengal became the Governor General of India ?

By which one of the following Acts did the Governor General of Bengal

1.	By which one of the following Acts did the Governor General of Bengal became the Governor General of India ?
A.	The Regulating Act
B.	The Pitt's India Act
C.	The Charter Act of 1793
D.	The Charter Act of 1833
Answer» D. The Charter Act of 1833