A same meaning or not problem:
Ogbemudia was appointed Mid-West administrator of Military state in September , 1967 following the liberation of state from the secessionist Biafran forces .
In September 1967 , following the liberation of the state from the secessionist Biafran forces , Ogbemudia was appointed military administrator of the mid-western state .
****
[A]: no

A same meaning or not problem:
Miguel Angel Virasoro ( born Argentina in 1940 ) is an Argentine physicist who has done most of his work in Italy .
Miguel Angel Virasoro ( ; born 1940 in Italy ) is an Argentine physicist who has done most of his work in Argentina .
****
[A]: no

A same meaning or not problem:
Merzbach worked in Sweden during the late twenties before returning to Germany .
During the late 1920s , Merzbach worked in Sweden before returning to Germany .
****
[A]: yes

A same meaning or not problem:
The central part of the watershed of Nescopeck Creek , south of the northernmost hill , including the mouth of Black Creek , is also in this series .
The central part of the Nescopeck Creek watershed , south of the northernmost line of hills , including the mouth of Black Creek , is also in this range .
****
[A]:
yes