What is cell aggregate body plan?

Represent the union of two sets by Venn diagram for each of the following.

$X=\{x | x$ is a prime number between $80$ and $100\}$

$Y=\{y | y$ is an odd number between $90$ and $100\}$

The blind sac body plan is shown by

Which of the following statements are true about protostomes? 

(A) Cleavage spindles or planes are oblique to the polar axis of the zygote
(B) Cleavage spindles or planes are at right angles to the polar axis of the zygote
(C) The fate of blastomeres is fixed early in the development
(D) The fate of blastomeres is fixed relatively late In the development