What Does the Inverted Pyramid Journalistic Style Mean

Multiple Choice

What does the inverted pyramid journalistic style mean?

A) Opening paragraph with core facts followed by additional information in descending order of importance
B) Opening paragraph with core facts followed by additional information in reverse chronological order
C) Opening paragraph with an informal lead followed by core facts in descending order of importance
D) Opening paragraph with supporting facts followed by core facts in descending order of importance