Michael Dang is the founder of an e-commerce firm. He founded the company along with his friends two years ago. The company has been performing well and now intends to expand its operations in other parts of the country. Dang has been informed by the investment bankers that, as the company has been in operation for only two years, it may have difficulty finding new investors for its debt securities. In order to make the securities the most attractive to investors, the bonds must most likely:
选项：

A: have embedded put options.
B: have embedded call options.
C: be plain vanilla bonds.