Mark the word whose underlined part clearly: appreciate from the other three in pronunciation, efficient, suspicious, apprentice

– Appreciate /əˈpriːʃieɪt/ (v): to appreciate, to appreciate

– Suspicious /səˈspɪʃəs/ (adj): doubtful, doubtful

– Efficient /ɪˈfɪʃnt/ (adj): effect, effect

– Apprenticece /əˈprentɪs/ (n): apprentice

The underlined part of answer D is pronounced /s/; The rest of the answers are pronounced /ʃ/.

Choose D.