The answer you are looking for is B. Deposit insurance. This is the answer because in my reading assignment it says this, "Unlike bank deposits, which are general insured, money market funds do not guarantee the safety of the investors holdings." In other words money market funds do not offer advantages for deposit insurance. If you need further information here is the URL to my reading assignment where I go my Information from.
https://courses.jmhs.com/content/enforced/7056-CE011_20_1/Personal%20Finance/CE011%20Part%201/Lesson_1/Reading%20Assignment%20Lesson%201.pdf?_&d2lSessionVal=nR0I7FLcrb4A6JQnFpcK5YT8o&ou=7056
Page four and five. Last paragraph on page four first paragraph on page five.
Have a nice day and brainliest if possible. Thank you.
