Refer to the following number series and answer the question that follows.
(Left) 1 4 6 7 4 3 2 5 6 7 3 4 6 5 1 3 4 5 2 4 51 5 7 (Right)
If every second number from the left in the above series is dropped, which number would appear at the eighth place from the left?
A6
B4
C5
D1