I think it’s A! Sorry if I’m wrong
The correct answer would be TRUE. The given sentence above only uses a participle and not a participial phrase. A participle is a word that ends in either -ing (present participle) or -ed (past participle). The participle in this sentence is the word "enjoying". A participial phrase also contains a present participle and past participle but it functions as an adjective only.
( A) compare and contrast
No, almost everyone hated it. The Vietnam war was probably one of the most hated wars in the eyes of American civilians. It is what started to Hippy generation.