Sentence Correction (SC) | Disappointed by the company’s decision to put itself for sale,

Disappointed by the company’s decision to put itself for sale, its shares were quickly sold by the investors, voicing their frustration.

A.its shares were quickly sold by the investors , voicing their frustration- Modifier issue
B. investors voiced their frustration,quickly selling the company's shares - Selling is not due to voicing of frustration
C. investors quicklysold its shares and voiced their frustration - frustration was due to quicksell
D. investors quickly sold its shares, voicing their frustration