In a group discussion, which sentence is most clearly challenging the

credibility of a source?

o

a. when gutierrez refers to qubits, she's talking about the

field of quantum computing.

o

b. the purpose of gutierrez's article is to make a point, not to

teach a lesson about something technical.

o

c. i disagree with gutierrez completely that quantum

computers will be faster than current computers.

o

d. gutierrez's article is way too old to say anything relevant

about computer science today.