Choose the best answer A, B, C, or D

I. Choose the best answer A, B, C, or D
1. I / study / a school / found / nineteen century.
A. I'm studying at a school which found in the nineteen century.
B. I study at a school that founded in the nineteen century.
C. I'm studying at a school founded in the nineteen century.
D. I'm studying in a school which was founded in nineteen century.

2. Someone who is............thinks that bad things are going to happen.
A. optimistic   B. pessimistic   C. hopeful    D. bad