Ancylostoma infection spreads through

Which of the following statements are correct about the life cycle of $Ascaris \; lumbricoides$?
$(A)$. Infective agent - Embryonated egg with $II$ Juvenile
$(B)$. Fertilised eggs containing the unsegmented ovum are passed with faeces
$(C)$. Four moultings of the larva occur: two outside in soil within the egg-shell, one in lungs and one in intestine
$(D)$. Site of location of worm - small intestine.

Which one of the following phyla is characterized by the absence of a true coelom?

In which of the following is the body cavity surrounding the alimentary canal not lined by a cellular layer?

Assertion $A$: In $Aschelminthes$, the juvenile form resembles the adult.
Reason $R$: Indirect development is observed in $Aschelminthes$.
Which option is correct for Assertion $A$ and Reason $R$?

Enterobius infection occurs through