Which Angle(s) Should Be Used When Administering an Intradermal Injection $\degree$

Which angle(s) should be used when administering an intradermal injection?

A) 100 $\degree$ -110 $\degree$
B) 20 $\degree$ -40 $\degree$
C) 45º-90º
D) 5º-15º when you list 90 and 45 degrees and the range you are giving away the correct answer