http://www4.boardofstudies.nsw.edu.au/testResults.cfm?testID=14121949&testUUID=7CFF3F57-A22B-09D0-3DC54925186FBF19&question_id=2912&question_num=4&correctAnswer=B&user_answer=C&courseID=5010&testQuestionID=282836429
PLEASE HELP spent like half an hour trying to solve this
PLEASE HELP spent like half an hour trying to solve this