Indicate the most accurate statement:

a$.$

Once an appeal has been noted, a plaintiff may not continue to execute a judgment given in his favour, unless authorised by the court.

b$.$

Both appeal and review must take place within a reasonable time.

c$.$

The Supreme Court of Appeal is competent to hear appeals in respect of decisions or judgments handed down by the Competition Court.

d$.$

The single judge of the High Court whose judgment or order is being appealed against, may sit on the full bench at the hearing of the appeal.