Which of the following adapters causes the LEAST amount of signal loss?

Which of the following adapters causes the LEAST amount of signal loss?

A.
VGA to DVI

B.
HDMI to VGA

C.
DVI to HDMI

D.
S-video to RCA

Explanation:

http://www.buzzle.com/articles/dvi-vs-hdmi-difference-between-dvi-and-hdmi.html(3rd
para)