What Has Been the Effect of Political Transformation on the Party

What has been the effect of political transformation on the party system in Texas since the 1980s?

A) There has been a significant increase in the electoral functions by political parties.
B) While parties have continued to grow stronger, interest groups have decreased in number and importance.
C) The practice of ticket splitting by voters has declined considerable in favor of voting down the line.
D) Parties have declined organizationally while increasing numbers of people are becoming independents.
E) Parties have grown steadily more unified and more partisan while vastly increasing their membership.