Step 1: Establish the approximate dates of invention for each technique.
(B) Woodcut: Originated in China (c. 9th century) and appeared in Europe around 1400. It is the oldest.
(D) Metal engraving: Developed in Europe in the 1430s.
(A) Lithography: Invented by Alois Senefelder in 1796.
(C) Serigraphy (Screen printing): While ancient in concept, it was patented for industrial use in the early 20th century and adopted as an artistic medium in the 1930s and later.
Step 2: Arrange them in order from oldest to newest. The correct sequence is Woodcut, Metal engraving, Lithography, Serigraphy. This corresponds to (B), (D), (A), (C).