Answer:
(D) among them the threat of a rival’s multibillion-dollar patent-infringement suit and the decline in sales of
Step-by-step explanation:
Simplified Meaning is: Several issues were heard by investors at the annual SHM.
Two problems were among those: a threat from the MDPI of a competitor and a decline in the sales of the strong microprocessor chip of the company.
Verbing modifier should amend the preceding clause and make much sense in relation to the preceding clause.
Modifies the problems here with the other options and does not suit well with the subjective "investors".