Why are historians able to rely on well-known museums for accurate information about the past?

a. because museums are one of the largest sources of information about past events, which makes research easy

b. because historians can ask museum curators about the information they are looking for and save time

c. because a museum is the place in which historical information is archived by archivists, which makes research easy

d. because the information presented in well-known museums has been carefully researched and authenticated as accurate