Cryptomonads Differ from Other Photosynthetic Protists in That They

Cryptomonads differ from other photosynthetic protists in that they

A) acquired their chloroplasts by primary endosymbiosis.
B) store the products of photosynthesis outside the chloroplast.
C) have a second, much-reduced nucleus associated with the chloroplast.
D) have reticulopodia linking individual cells in an amoeboid plasmodium.
E) contain plastids with cytochrome a and c