To find the option which is in ascending order:
Let us convert the given number in same unit first.
So, all the numbers are converted to percentage.
We take 1.2% as it is.
The percentage value of 0.42 is, 42%
We take 97% as it is.
The percentage value of 11/8 is 137.5%
Hence, the ascending order is,
1.2%, 42%, 97%, 137.5%.
Hence, the correct option is A.