The Development of the Scientific Theory Related to the Higgs

The development of the scientific theory related to the Higgs boson was unusual in that:

A) it began with observations made a century ago.
B) it began with theoretical calculations rather than observations.
C) the observations that began the investigation disproved the currently accepted model, thus leaving theorists with no structure to build upon.
D) the original theory was an outgrowth of an entirely unrelated area of anthropology.