TOEFL Listening: ETS-TOEFL听力机经 - 8F45J4EMT6H99QK0P$

According to the professor, what was one purpose of applying olive oil to athletes' skin? A. To use as a spiritual balm in Zeus's honor before competitions B. To enhance the aesthetic appeal of competitors' physiques C. To help in guarding the bare skin against Sun exposure D. To make events such as wrestling more difficult for athletes