This photo clearly ................ the difference between the two brothers.

The correct answer is Option B.

The phrase “bring out” is often used to mean “reveal” or “show clearly”. In this context, the photo is revealing or showing the difference between the two brothers. 

The other options do not fit in this context.

Option A: “Brings” needs an object or complement to complete the sentence. 

Option C: “Brings up” usually means to start discussing a topic. 

Option D: “Brings in” typically means to introduce something new or to earn money.