A same meaning or not problem:
The Peak family remained in Kilallah for only a few years , when the house was purchased by a Mr Fletcher who sold it to the Horrigan family .
The Peak family remained at Kilallah for only a few years when the house was purchased by a Mr Fletcher who sold it to the Horrigan family .
****
[A]: yes

A same meaning or not problem:
Traditionally , '' classical '' companies such as the Kirov Ballet and the Paris Opera Ballet regularly perform contemporary works .
Traditionally '' contemporary '' companies , such as the Kirov Ballet and the Paris Opera Ballet , also regularly perform classical works .
****
[A]: no

A same meaning or not problem:
After a while Wang Di left the band and was replaced in August 2008 by Miao Yu Jia .
After a while , Wang Di left the band and was replaced by Miao Yu Jia in August 2008 .
****
[A]: yes

A same meaning or not problem:
He was asked about his opinions on the books '' Mission to Moscow '' by Wendell Willkie and '' One World '' by Joseph E. Davies .
He was asked his opinion about the books '' Mission to Moscow '' by Joseph E. Davies and '' One World '' by Wendell Willkie .
****
[A]:
no