Microchip Computers Is a Retailer,which Buys Its Inventory from Acme

Microchip Computers is a retailer,which buys its inventory from Acme Co.on credit,giving Acme a security interest in the inventory.Hubert buys a computer from Microchip in the normal course of business.Hubert's title in the computer is:

A) a good title.
B) a voidable title.
C) Hubert has no title in the computer.Title does not pass to Microchip and therefore to Hubert until Microchip pays its debt in full to Acme.
D) Hubert has good title that is subject to Acme's security interest.