The speaker who is most likely to make low-risk investments is B. Speaker C.
A low-risk investment is usually done through any one of these investment vehicles:
A low-risk investor does not include Speaker A (who spreads his risks across different companies), Speaker B (who is a high-risk investor), or Speaker D (who does not invest).
Thus, the low-risk investor is B. Speaker C.
Learn more about low-risk investments at https://brainly.com/question/17175271