Which of the Following Statements Is LEAST-Likely True

Which of the following statements is LEAST-Likely true?

A) Hypalon has better high-temperature resistance than Silicone.
B) EI systems are similar to the electromechanical contact point systems they replaced.However, electronic systems are far superior and require very little maintenance.
C) Nonelectronic ignition systems used mechanical contact points to alternatively energize and then open the primary ignition circuit.
D) Most ignition systems control primary current flow on the ground side of the coil.