Answer:
C. take readings of Venus’s clouds
Explanation:
The "Perseverance rover" is also known as "Percy." It was designed to study the planet Mars, including its craters, rocks, etc. and the existence of other forms of life. It was launched last year, but is scheduled to arrive in Mars this February 2021. Clearly, it is "not meant to study the planet Venus." Therefore, choice C is not a purpose of Perseverance rover, so this is the answer.