The answer is B.
best thing to do with these types of questions is to read each option out loud and see what one sounds the best.
1.My new assistant can type very well but he hasn’t much experience with computer.
2. I found useful acting website and shared with my friends.
3. I left my bag on the bus therefore I didn’t have a pencil.
4.This is a great opportunity which should not be lost.
5.This soup was too cold therefore I warmed it in the microwave.
The answer is distressful
He mentions that Gawain will be given a magic word