Speaking in tongues is the first in the order of externally observable evidences of the baptism with the Holy Spirit.

• A. verbally expressible
• B. internally discernible
• C. externally observable
• D. visibly manifest

Answer: (C)

The idea being tested is that the baptism with the Holy Spirit is evidenced by signs that others can notice. Speaking in tongues qualifies because it is actual speech that others can hear, making it observable to the church and community. That public, detectable nature is why it’s described as externally observable—the first sign that people around you can actually witness.

Why the others aren’t as fitting: being verbally expressible can refer to private or internal capability to speak, not necessarily something others witness; internally discernible means an inner experience not outwardly shown; visibly manifest focuses on what is seen, but tongues is primarily heard rather than seen, so the broader category of externally observable best captures the public nature of the sign.