Sure, let's analyze the pronunciation of the "ed" endings in each set of words:

1. A. involved /ɪnˈvɒlvd/
B. decided /dɪˈsaɪdɪd/
C. explained /ɪkˈspleɪnd/
D. allowed /əˈlaʊd/
- The word "decided" has the "ed" pronounced as /ɪd/, while the others have it pronounced as /d/.

2. A. baked /beɪkt/
B. bothered /ˈbɒðərd/
C. plugged /plʌɡd/
D. retired /rɪˈtaɪərd/
- The word "baked" has the "ed" pronounced as /t/, while the others have it pronounced as /d/.

3. A. hopped /hɒpt/
B. annoyed /əˈnɔɪd/
C. preferred /prɪˈfɜːrd/
D. worried /ˈwʌrid/
- The word "hopped" has the "ed" pronounced as /t/, while the others have it pronounced as /d/.

4. A. robbed /rɒbd/
B. stopped /stɒpt/
C. ploughed /plaʊd/
D. hired /haɪərd/
- The word "stopped" has the "ed" pronounced as /t/, while the others have it pronounced as /d/.

5. A. brushed /brʌʃt/
B. picked /pɪkt/
C. stopped /stɒpt/
D. packed /pækt/
- All words have the "ed" pronounced as /t/.

6. A. called /kɔːld/
B. studied /ˈstʌdid/
C. suggested /səˈdʒestɪd/
D. opened /ˈəʊpənd/
- The word "suggested" has the "ed" pronounced as /ɪd/, while the others have it pronounced as /d/.

7. A. invited /ɪnˈvaɪtɪd/
B. cleaned /kliːnd/
C. wandered /ˈwɒndərd/
D. played /pleɪd/
- The word "invited" has the "ed" pronounced as /ɪd/, while the others have it pronounced as /d/.

8. A. satisfied /ˈsætɪsfaɪd/
B. crashed /kræʃt/
C. mixed /mɪkst/
D. looked /lʊkt/
- The word "satisfied" has the "ed" pronounced as /d/, while the others have it pronounced as /t/.

9. A. ended /ˈendɪd/
B. booked /bʊkt/
C. dropped /drɒpt/
D. washed /wɒʃt/
- The word "ended" has the "ed" pronounced as /ɪd/, while the others have it pronounced as /t/.

So, the words with the "ed" sound pronounced differently are:

1. B. decided
2. A. baked
3. A. hopped
4. B. stopped
5. All words have the same "ed" sound.
6. C. suggested
7. A. invited
8. A. satisfied
9. A. ended