Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
A.It centres on the sinking of the RMS Titanic.
B.The film proved immensely popular, holding the all-time box-office gross record for more than a decade after its release.
C.Titanic is an American romantic adventure film released in 1997.
D.Most of the film's story is then told in flashbacks as the protagonist recounts the Titanic's fateful 1912 voyage.