Please Read the Clinical Scenario, and Then Answer the Question

Multiple Choice

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
The family reunion at Bight Pond Park had been a relaxing and enjoyable day until you heard the evening news. The report stated that Acanthamoeba had been identified in the lake your family was swimming in earlier in the day. You recall from microbiology that this amoeba can cause a fatal brain disease in both normal and immunocompromised individuals, and you listen more closely to the report.
-Acanthamoeba and other protozoans exhibit a two-stage life cycle: a resting cyst stage and a motile feeding stage called the

A) merozoite.
B) trophozoite.
C) sporozoite.
D) hermaphrodite.