回到祖国怀抱的香港已经融入中华民族伟大复兴的壮阔征程。

A.Since its return， Hong Kong has Joined us on our journey towards the rejuvenation of the Chinese nation.

B.Since its return， Hong Kong has Joined us on our journey towards the renovation of the Chinese nation.

C.Since its return， Hong Kong has Joined us on our progress towards the rejuvenation of the Chinese nation.

正确答案：Since its return， Hong Kong has Joined us on our journey towards the rejuvenation of the Chinese nation.