It can be inferred from the passage that scientists are currently making efforts to observe which of the following events?
A.
The decay of a vacuum in the presence of virtual particles.
B.
The decay of a vacuum next to a super heavy atomic nucleus.
C.
The creation of a super heavy atomic nucleus next to an intense electric field.
D.
The creation of a virtual electron and a virtual positron as a result of fluctuations of a vacuum.