Answer:
C
Explanation:
A shows the range of numbers greater than 1, not including 1 (the circle on the number 1 is empty, meaning 1 isn't included - when it's filled in then 1 is included).
B shows the range of numbers less than 1, not including 1.
C shows the range of numbers less than and including 1.
D shows the range of numbers greater than and including 1.
'≤' means 'less than or equal to'
We're looking for the range of numbers less than and including 1: C