Examine the four jumbled sentences. Out of the given options, pick the one that gives their correct order.

1. The thing that surprises me is the research conducted on dogs in a university in the US.
2. The left part of their brain is used to understand words.
3. It says that dogs use their brains as humans do.
4. Yesterday I, with my cousin, watching Discovery Channel.

DACB

The correct answer is Option (1) - DACB

The correct order of the sentences is:

• Yesterday I, with my cousin, was watching the Discovery Channel. (D)
• The thing that surprises me is the research conducted on dogs in a university in the US. (A)
• It says that dogs use their brains as humans do. (C)
• The left part of their brain is used to understand words. (B)

So, the correct sequence is Option DACB.