Likely B. Liquidity is basically the measurement of how quickly a given investment can be turned into cash. If you can sell it or take money from it quickly, it is liquid. Any one of the others (A, C or D) can be withdrawn from in a short time, and thus are very liquid. CDs, however, are set to a specified amount of time. You deposit money for, say, 5 years and then are allowed to withdraw it, not before. Thus, it is not liquid.
Suppose that a large tree on Betty's property is blocking Chuck's view of the lake below. Betty accepts Chuck's offer to pay Betty $100 for the right to cut down the tree. This situation describes the Coase theorem.
Candor is the the quality of being honest and open when interacting with others. Candor is also referred to as bluntness or frankness. By informing customers that she will revert to their queries following consultation with the store manager, Susan exhibits candor.