Which of the following statements is true?

a. The Root Test says that the series converges absolutely.
b. The Root Test says that the series diverges.
c. The Root Test says that the series converges conditionally.
d. The Root Test is inconclusive, but the series converges absolutely by another test or tests.
e. The Root Test is inconclusive, but the series diverges by another test or tests.
f. The Root Test is inconclusive, but the series converges conditionally by another test or tests.