The most likely answer would be C if the topic is toddlers.
HOWEVER if their is no information to support that it is about toddlers in your marital then it is most likely D.
Answer:
nah man we're not here to do your homework
#1, as a “drop” is just a small amount to the whole bucket in this metaphorical sentence. So it’s too small to make a difference because just $20 will not help much with running a entire magazine company/printing