Nathan Has Been Asked by His Boss to Present a Business

Nathan has been asked by his boss to present a business report on "consumer shopping habits" in three days' time.Due to the time constraint, his boss wants him to use secondary research.In this situation, which of the following should be done by Nathan?

A) Nathan should arrange for focus group discussions and interviews.
B) Nathan should survey consumers through online questionnaires.
C) Nathan should interview consumers over the phone.
D) Nathan should use the data published in business journals and reports.
E) Nathan should hire a consultant to conduct a survey research.