Simple, Compound, and Complex Sentences Examples.

Please specify what type of sentences are these?

1. My Dad was delighted when I showed him my result.
(A) simple
(B) compound
(C) complex
(D) none of these

2. We can survive at the temperature of 44 degree Celsius.
(A) simple
(B) compound
(C) complex
(D) none of these

3. Humans have good bone structure and a well-developed immune system.
(A) simple
(B) compound
(C) complex
(D) none of these

4. He went to the park, but she stayed at home.
(A) simple
(B) compound
(C) complex
(D) none of these

5. Old men speak because they want to share their experience.
(A) simple
(B) compound
(C) complex
(D) none of these

ANSWERS: COMPOUND AND COMPLEX SENTENCES EXAMPLES
1. (C) complex
2. (A) simple
3. (B) compound
4. (B) compound
5. (C) complex