If XYZs receivables turnover is 4x, what does that mean?

a). XYZs total sales are rotated four times a year.

b). XYZ has a really good receivables turnover rate.

c). XYZ is able to collect its receivables every 90 days, or 4 times a year.

d). XYZ generates four times as much sales through receivables than sales through cash.