Calligraphy is a plastic art that uses Chinese characters as the object of expression and lines as the means of expression. It is an important part of the traditional culture of the Chinese nation. "

B

Item A exaggerates the role of traditional culture and is excluded; item C does not reflect it; D’s statement is wrong; after picking up the mouse, one must not forget that the penholder embodies the importance of science and technology In today's developed world, we still need to inherit and carry forward the excellent traditional culture, so we choose B.