In which situation would a data controller most likely be able to justify the processing of the data of a child without parental consent?

In which situation would a data controller most likely be able to justify the processing of the data of a child without parental consent?
A . When the data is to be processed for market research.
B . When providing preventive or counselling services to the child.
C . When providing the child with materials purely for educational use.
D . When a legitimate business interest makes obtaining consent impractical.

Answer: B