A same meaning or not problem:
It was originally developed by groups of Chinese scholars in the Soviet Union and used by Chinese and Russian immigrants there until most of them left the country .
It was originally developed by groups of Chinese and Russian scholars in the Soviet Union , and used by Chinese immigrants there until the majority left the country .
****
[A]: no

A same meaning or not problem:
Today ( from 2013 to 2017 ) the mayor is Fernando Nogueira , elected by the PenCe ( independent movement ) . The municipal day is October 1 .
The current mayor ( from 2013 to 2017 ) is Fernando Nogueira , elected by the PenCe ( municipal movement ) , the independent holiday is October 1 .
****
[A]: no

A same meaning or not problem:
William Good , another Jesuit from England , joined Daniel soon after , even though he had a turbulent relationship .
Another Jesuit from England , Daniel joined William Good soon after , though they had a turbulent relationship .
****
[A]: no

A same meaning or not problem:
On 28 February 2018 , GTT Communications announced the acquisition of Interoute for US $ 2.3 billion dollars .
On 28 February 2018 , Interoute announced the acquisition of GTT Communications for $ 2.3 billion .
****
[A]:
no