please answer this fast

Which of the following statements is IFUE? Select one. a. The long tait is a term that refers to the drstribution advantages a brick and mortar business (such as Eliodbuster) enjoys over a virtual competitor (such as Nerflib) b. The kng tad relers to products for which deenand ensts, but they are not popular enough far fetalen to camy them c. The long tail refers to creating ultra-talored audience promotioess that a non virtual busineis cannot easily match d. The long tail refens to the most popolar products (offered by recadens)