1. PART A: Which statement best expresses the central idea of the text?
A. After studying the abilities of mind controlling
parasites, scientists suspect that parasites might be
able to similarly affect humans.
B. While it has been confirmed that some parasites can
control the actions of their hosts, how they can do so
largely remains a mystery to scientists.
OC Parasites can control the actions of their hosts by
altering the chemistry of their brains, forcing them to
help the parasites and their young survive.
OD The ability for parasites to understand the minds of
other organisms has disproven the notion that single-
celled organisms are unintelligent.