Question

software engineers discovered that the gpus massive parallel processing was especially useful in deep learning. source: wall street journal in the sentence above, parallel has the same or almost the same meaning as: academic secretive synchronous unexpected

Explanation:

"Parallel" in computing often refers to multiple tasks being done at the same time. "Synchronous" also implies things happening at the same time. Academic refers to education - related, secretive means keeping secrets, and unexpected means not anticipated.

Answer:

C. synchronous