Benchmark Selection for Large-Cap U.S. Equity Fund

In the field of portfolio management, selecting an appropriate benchmark is crucial for performance evaluation. A benchmark should reflect the investment style and risk profile of the portfolio being evaluated. Consider the following scenario:

A fund manager oversees a large-cap U.S. equity fund. The manager aims to compare the fund's performance against a suitable benchmark.

Which of the following benchmarks would be the most appropriate choice for this fund?