Samsung Realises That Consumers Buy Tablet Computers for a Variety

Samsung realises that consumers buy tablet computers for a variety of reasons, many of which they could be unaware of. Samsung might therefore use exploratory research for the following reason(s) :

A) there is little prior knowledge to work from.
B) more insight into the nature of the problem is required.
C) relevant variables and possible decision alternatives need to be identified.
D) all of the options listed.
E) both a and b.