Final answer:
Various words create a suspenseful mood in the given sentences.
Step-by-step explanation:
The words that create a suspenseful mood in the given sentences are:
a) Hiding place, small space
b) Crouch tensely, trembling
c) Thudded slowly, heavily
d) All of the above
These words evoke a sense of tension and anticipation, creating a suspenseful atmosphere for the reader. For example, the phrase 'hiding place' suggests that someone is trying to remain unseen or avoid being found, heightening the suspense. Similarly, 'crouch tensely' and 'trembling' convey the character's fear and anxiety, further adding to the suspenseful mood.