Which One of the Following Statements Comparing the Parasitic Flatworms

Which one of the following statements comparing the parasitic flatworms (flukes and tapeworms) is false?

A) Flukes are ectoparasites;tapeworms are endoparasites.
B) Both parasitic flukes and tapeworms have life cycles with two or more hosts.
C) Flukes attach to their hosts with suckers;tapeworms use a scolex.
D) Most parasitic flukes and tapeworms have lost several features seen in free-living flatworms like Dugesia.
E) Most parasitic flukes and tapeworms produce huge numbers of eggs and sperm.