For the question, reference interaction design book

When investigating a phenomenon from more than one perspective it is said that triangulation is being used. This could occur in all but one of the following circumstances:

A . When data is drawn from different sources at different times, in different places, or from different people

B. When different data gathering technologies are used to collect data

C. When different researchers are used to collect and interpret the data

D. When different theoretical frameworks are used to consider the data and findings

E. When different results of some inquiry are produced through the use of an identical technique.