A) option is correct
Step-by-step explanation:
According to Jean Baptiste Lamarck, fossils are the direct evidence of evolution and nucleotide sequence is the direct evidence of molecular evolution
He also explained about the use and disuse of organs, the organs which are used in priority will develop and the organs which are not used by priority will disintegrate
Lamarck said that vestigial organs in different organs is the direct evidence of use and disuse of organs