Which sentence in this paragraph is irrelevant to the purpose of the passage and could be eliminated without disturbing the passage's flow and information?
A)
Solar Photovoltaics is rapidly becoming an inexpensive, low-
carbon technology to harness renewable energy from the Sun.
B)
Hydraulic fracturing began as an experiment in 1947, and the
first commercially successful application followed in 1950,
C)
When the hydraulic pressure is removed from the well, small
grains of hydraulic fracturing proppants (either sand or
aluminium oxide) hold the fractures open.
D)
Increased oil and gas production from the decade-long fracking
boom has led to lower prices for consumers, with near-record
lows of the share of household income going to energy
expenditures