To find the word with a different sound in the underlined part in each line, let's analyze the pronunciation of the underlined parts:

1. **A. school** - /skuːl/
**B. architect** - /ˈɑːrkɪˌtɛkt/
**C. change** - /tʃeɪndʒ/
**D. chemical** - /ˈkɛmɪkəl/
- Different sound: **A. school** (the "ch" sound is /k/)

2. **A. buffalo** - /ˈbʌfəˌloʊ/
**B. minority** - /maɪˈnɔːrɪti/
**C. gold** - /ɡoʊld/
**D. close** - /kloʊz/
- Different sound: **B. minority** (the "o" sound is /ɔː/)

3. **A. publish** - /ˈpʌblɪʃ/
**B. adult** - /əˈdʌlt/
**C. campus** - /ˈkæmpəs/
**D. club** - /klʌb/
- Different sound: **C. campus** (the "u" sound is /æ/)

4. **A. health** - /hɛlθ/
**B. appear** - /əˈpɪr/
**C. ready** - /ˈrɛdi/
**D. heavy** - /ˈhɛvi/
- Different sound: **B. appear** (the "ea" sound is /ɪr/)

5. **A. endangered** - /ɪnˈdeɪndʒərd/
**B. generation** - /ˌdʒɛnəˈreɪʃən/
**C. accept** - /əkˈsɛpt/
**D. memorable** - /ˈmɛmərəbəl/
- Different sound: **C. accept** (the "e" sound is /ə/)

6. **A. pottery** - /ˈpɒtəri/
**B. opinion** - /əˈpɪnjən/
**C. communicate** - /kəˈmjunɪˌkeɪt/
**D. behavior** - /bɪˈheɪvjər/
- Different sound: **A. pottery** (the "o" sound is /ɒ/)

7. **A. strip** - /strɪp/
**B. visual** - /ˈvɪʒuəl/
**C. artistic** - /ɑːrˈtɪstɪk/
**D. remind** - /rɪˈmaɪnd/
- Different sound: **B. visual** (the "i" sound is /ɪʒ/)

8. **A. embroider** - /ɪmˈbrɔɪdər/
**B. preserve** - /prɪˈzɜːrv/
**C. benefit** - /ˈbɛnɪfɪt/
**D. effect** - /ɪˈfɛkt/
- Different sound: **A. embroider** (the "e" sound is /ɪm/)

So, the words with different sounds in the underlined parts are:
1. A. school
2. B. minority
3. C. campus
4. B. appear
5. C. accept
6. A. pottery
7. B. visual
8. A. embroider