Anna would like to invest in a high-yield bond fund. According to the supplement entitled "Mutual Funds and ETFS," which of the following circumstances would be an argument in favor of choosing an actively-managed fund, rather than an index fund?

a)The actively-managed fund has delivered somewhat higher average returns than the index over the last ten years.

b)The actively-managed fund is a closed-end fund, so it has higher returns on average.

c)The manager of the fund has been there for over 5 years, so they have a lot of experience.

d)The actively-managed fund beat the index by 15 percentage points last year.

e)The index fund tracks the bond index so well that it almost never beats it; the actively-managed fund might do