Which of the following is not a true statement regarding Powers of Local Authorities?

[answerhappygod]

Which of the following is not a true statement regarding Powers of Local Authorities?

A. may regulate the stopping, standing, or parking of vehicles
B. designate any highway as a through highway and require that all vehicles stop or yield before entering or crossing same
C. alter the speed limits authorized by the State of Texas
D. can erect or maintain a traffic-control device at any location so as to require the traffic on a State highway to stop or yield before entering or crossing any intersecting highway E. all of the above are true statements