What Doomed the Constitutional Revision Effort in 1975

What doomed the Constitutional revision effort in 1975?

A) During the general election, Texans rejected all the constitutional provisions presented to them.
B) The legislature refused Governor Briscoe's calls to meet for a special session.
C) The Texas Supreme Court ruled that four out of the eight new provisions were unconstitutional.
D) Governor Briscoe after approving the effort, vetoed the provisions brought to him by the legislature.
E) A group of legislators backed by special interest groups refused to take part in the process.