Mastering JSON

{ 'key': 'value' } (correct)

{ 'key': 'value' } (correct)

{ 'key': 'value' } (correct)

{ 'key': 'value' } (correct)

To store additional information about the correct answer

To store the question itself

To store the correct answer for the question

To store the possible choices for a multiple choice question (correct)

Using parentheses instead of quotation marks

Using single quotes instead of double quotes (correct)

Using square brackets instead of curly braces

Using commas instead of colons