Mark Filed a Financing Statement on Daniel's Collateral on March

Multiple Choice

Mark filed a financing statement on Daniel's collateral on March 2.However,attachment of this interest did not occur until March 4.Meanwhile,Charles,who had attached a security interest on the same collateral on March 1,filed a financing statement on March 3.Which interest has priority and why?

A) Mark's interest has priority because he filed the security interest before Charles did.
B) Charles' interest has priority because he attached the security interest first.
C) Mark's interest has priority because his attaching was the latest.
D) Charles' interest has priority because his filing was the latest.