Which three statements are true of calculation contexts? There are 3 correct answers to this question.

Which three statements are true of calculation contexts? There are 3 correct answers to this question.
A . If no context is defined the default context is assumed.
B. You can use NoFilter() as an extended syntax keyword when using contexts.
C. The ForEach context operator automatically takes the dimensions in the block into account.
D. You must place parentheses around the values listed after the Where keyword when using the Where operator.

Answer: A,C,D