3. Which of the editorial revisions of the following sentence are INCORRECT?
a) The pacemaker lead fracture is one of the common causes of the pacemaker malfunction and is
most frequently associated with weight lifting.
b)Pacemaker lead fracture is the most common cause of pacemaker malfunction and is most
frequently associated with weightlifting.
c) Pacemaker lead fracture is one of the common cause of pacemaker malfunction and is most
frequent associated with weight lifting.
d) Pacemaker lead fracture is a common cause of pacemaker malfunction and is most frequently
associated with weightlifting.