3rd point of view narration from dr. Strauss

Based on context, the word “insoluble”most likely means?

Hey guys! i've got an exercise where you've to find out the correct sentence in each pair. 1) a-we were tired and thirsty, so we stopped to have a drink at the cafè. b-we were tired and thirsty, so we stopped having a drink at the cafè. 2)a-if your computer freezes, try to turn it on and off again and see if that . b-if you computer freezes try turning it on and off again and see if that . me! it's urgent!

Which statement from "letter to his father" is similar to gregor's inability tocommunicate with his father as a bug in the metamorphosis?