Not sure exactly what you are asking for, but when you refuse permission, an appropriate response would be:
"I do not wish for my child to participate in today's events as I do not feel it will benefit his learning."
A good response to give permission:
"I give permission for my child to participate in today's events."
I think it’s c or d. But I’m going with c.
The answer should be decadence
B, it tells how long the tree takes to grow
or
c, this answer tells how long the acorns take to grow therefore making half-grown acorns