Which sentence demonstrates correct parallel structure? ( A ) A good leader in any field tries to meet challenges with courage, determination, energy, and
individually knowing how.

( B ) Ancient Egyptians made a paper-like material called papyrus by placing strips of the plant's
stem in layers and then they were crushed under pressure.

( B )New York City is one of the world's most important business centers, and it is also a center of
culture.

( D ) The human brain consists of billions of cells that enable people to use language, solve
problems, and create works of art.