What are three capabilities of the <ltng : require> tag when loading JavaScript resources in Aura components? Choose 3 answers

What are three capabilities of the <ltng : require> tag when loading JavaScript resources in Aura components? Choose 3 answers
A . Loading files from Documents
B . One-time loading for duplicate scripts
C . Specifying loading order
D . Loading scripts In parallel
E . Loading externally hosted scripts

Answer: B,C,D