According to the survey described here, what was the sample of the survey? “A recent telephone survey of 900 teenagers aged 16 to 19 from across the state shows 1 out of 4 of them drive themselves to school.”
A.
all teenagers aged 16 to 19 in the state
B.
900 teenagers aged 16 to 19 from across the state
C.
1 out of 4 teenagers aged 16 to 19 from across the state
D.
teenagers aged 16 to 19 from across the state who own a telephone