By making learning possible anytime and anywhere, distance education is a powerful tool _________ supporting lifelong learning. 单选题 (10 分) A. to B. for C. with

By making learning possible anytime and anywhere, distance education is a powerful tool _________ supporting lifelong learning.
单选题 (10 分)
A.
to

B.
for

C.
with

出自：国家开放大学人文英语3

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