IM SORRY ARE THERE ANY ANSWER CHOICES
The sentence which contains a compare and contrast text structure is C, as in this sentence the comparison and contrast is between plant cells and animal cells.
The Apollo astronauts who went to the Moon are credited attaining with the fastest speeds at which humans have ever flown: about seven miles per second at the end of the rocket burn that lifted their craft beyond Earth's orbit. This is a paltry 1⁄250 of one percent of the speed of light.