If Bryophytes Do Not Have Vascular Tissue, How Can Some

If bryophytes do not have vascular tissue, how can some mosses reach 60 centimeters tall?

A) The term nonvascular plant is actually incorrect in describing bryophytes.
B) These tall mosses are more closely related to seed plants than to other mosses.
C) Some mosses independently evolved conducting tissues.
D) The rhizoids contain the conducting tissues.