Security Markets Are Efficient When Each of the Following Exist

Security markets are efficient when each of the following exist except:

A) security prices follow the leading indicators such as the S&P/TSX Composite very closely.
B) the markets can absorb large dollar amounts of stock without destabilizing the price.
C) prices adjust rapidly to new information.
D) there is a continuous market where each successive trade is made at a price close to the previous trade.