Final answer:
C) Shinmei-zukuri is the style of Shinto shrine that embodies the original style of Japanese building, characterized by straight lines and natural wood.
Step-by-step explanation:
The style of Shinto shrine that embodies the original Japanese building style is C) Shinmei-zukuri. This style is characterized by its straight lines and the use of natural wood, without painted colors, which mirrors the ancient building techniques of Japan. Shrines built in the Shinmei-zukuri style are considered some of the oldest and purest examples of Shinto architecture. They are typically constructed without nails and with a strong emphasis on simplicity and harmony with nature, reflecting Shinto religious values.