I can't see the whole image, but I would say A, since it is the only statement. B and D are steps in the experiment, and D is a question, not a statement.
Answer:
here is the answer according your question
Erythrocytic schizogony refers to asexual reproduction of a parasite in erythrocytes (red blood cells).
It happens during the s phase
1.) their wavelengths must be short i think and 2.) High frequency waves travel 3.) True