- AStatement I alone is sufficient but Statement II alone is not
- BEither statement alone is sufficient
- CBoth statements together are needed (neither alone is sufficient)
- DStatement II alone is sufficient but Statement I alone is not
Step-by-Step Solution
I shows D→E, O→P, G→H, i.e. a +1 shift, so CAT → DBU — sufficient. II states the mechanism but not the shift value, so the code cannot be determined.
Answer: A) Statement I alone is sufficient but Statement II alone is not