Which of the following strategies do schistosomes use to circumvent the host's immune system?
A) They produce chemical factors that suppress their host's immune system.
B) They produce surface proteins that mimic the host's own proteins.
C) They continually produce novel surface proteins to confuse their host's immune system.
D) They produce a protective outer layer around their bodies that prevents them from being detected by the host's immune system.
Correct Answer:
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