What Is the Status of Initiative and Referendum in Texas

What is the status of initiative and referendum in Texas?

A) Both were adopted in Texas during the Progressive era and are still in effect, giving Texans a direct voice in government.
B) The initiative process was never adopted in Texas, but the referendum process was adopted following the 1974 Texas Constitutional Convention.
C) Texas has neither the initiative nor referendum process.
D) The referendum process was never adopted in Texas, but the initiative process was adopted following the 1974 Texas Constitutional Convention.
E) Initiative and referendum were proposed in the 1875 Constitutional Convention and adopted in the 1876 Texas Constitution.