If the first and second digits in the sequence 5 9 8 1 3 2 7 4 3 8 are interchanged, also the third and fourth digits, the fifth and sixth digits and so on, which digit would be the seventh counting to your left ?

Answer: D. 8

The new sequence becomes 9  5  1  8  2  3  4  7  8  3.
Counting to the left, the seventh number is 8.