- AEither statement alone is sufficient
- BBoth statements together are needed (neither alone is sufficient)
- CStatement I alone is sufficient but Statement II alone is not
- DStatement II alone is sufficient but Statement I alone is not
Step-by-Step Solution
Neither phrase alone isolates a word. The only shared word is 'good' and the only shared code is 'zt', so together good = zt.
Answer: B) Both statements together are needed (neither alone is sufficient)