The correct option is
C multinucleate, aseptate
Filamentous parasites could contain more than one cores in a coenocytic mycelium. A coenocyte ability as a solitary facilitated unit made out of several cells connected basically and practically, i.E. Through hole intersections. Parasitic mycelia where hyphae need septa are frequently called "aseptate".
So, the correct option is 'multinucleate, aseptate'.