Correct option is C
Given statements:
1. All breads are cakes.
2. Some cakes are pastries.
3. All pastries are toffees.
Conclusions:

1. All cakes are toffees: Not necessarily true, as only some cakes are pastries.
2. No bread is a pastry: Not necessarily true, as the statements do not provide information on this.
Therefore, the correct answer is (c) Neither conclusion I nor II follows.