Question

2.
Which word best completes this sentence?
¿Es _____ la tarea de la clase de inglés?

A. parece
B. complicado
C. complicada
D. sirve

Answer 1

It would be complicado, because that's the only thing that seems logical to me.

Parece means like opinion
And sivre means to serve. 

Answer 2

It would have to be C. Complicada