An open question (choose all the correct answers)

Question

*
A is basic
B is complex
C often begins with who, what, where, when
D often begins with why or how
E has a simple answer
F often has more than one answer
G can lead to more research
H can lead to more questions

Answer 1

C often begins with who, what, where, when
D often begins with why or how
F often has more than one answer
G can lead to more research
H can lead to more questions