It's being estimated that dinosaurs lived on Earth from about 237 million years ago to about 66 million years ago. So answers B and D are definately too "old", while answer A is too "young". I'd pick answer C as it's most probable.
The Arab cities are known as <span>souks.</span>
It was and still is the Hindu Kush Mountains. Stretching about 500 mi across.
Brazil would be the best choice for a year-round agricultural cycle