A same meaning or not problem:
His sons were Leon C. , Huntley N. and Rolland H. , of whom Huntley and Rolland would serve as governors of New Hampshire .
His sons were Leon C. , Huntley N. , and Rolland H. , whom Huntley and Rolland would serve as governors of New Hampshire .
****
[A]: yes

A same meaning or not problem:
These old rites are still performed in contemporary Sri Lanka , but the preserved songs are rarely performed by folk musicians .
These ancient rites are still performed in contemporary Sri Lanka , but the preserved songs are rarely performed by folk musicians .
****
[A]: yes

A same meaning or not problem:
Caranavi is north of Rurrenabaque , on the road from La Paz to Coroico .
Caranavi is located north of Rurrenabaque , on the road from La Paz to Coroico .
****
[A]: yes

A same meaning or not problem:
He also worked as a consulting research psychiatrist at State Hospital in Central Islip and director of research at South Oaks Psychiatric Hospital in Amityville .
He has also worked as a consulting research psychiatrist at the State Hospital in Amityville and a research director at the South Oaks Psychiatric Hospital in Central Islip .
****
[A]:
no