a craxy CR question

diebeatsthegmat wrote:hi guys, can you please help me understand the following question and dont forget to explain your answer choice. thanks indead....

If you have no keyboarding skills at all, you will not be able to use a
computer. And if you are not able to use a computer, you will not be able to
write your essays using a word processing program. If the statements above
are true, which one of the following must be true?
A. If you have some keyboarding skills, you will be able to write your essays
using a word processing program. X --> Z (cannot say)
B. If you are not able to write your essays using a word processing program,
you have no keyboarding skills. Z --> not X (cannot say)
C. If you are able to write your essays using a word processing program, you
have at least some keyboarding skills. Z --> X (can say)
D. If you are able to use a computer, you will probably be able to write your
essays using a word processing program. Y --> Z (cannot say)
E. If you are not able to write your essays using a word processing program,
you are not able to use a computer. not Z --> not Y (cannot say)