Answer: B Real estate investment funds (REITs) are a type of fund that pool investors' funds by issuing equity certificates, conduct real estate investment operations and management by specialized investment institutions, and distribute comprehensive investment income to investors in proportion.

Real estate investment funds can use private placement or public placement.

REITs invest and serve a wide range of fields, including residential real estate and office buildings, but also include retail properties, healthcare, infrastructure, warehousing, industrial real estate, hotels, data centers, etc.