In 2021, Mexican biologist Martha Lydia Macías-Rubalcava led a review of the scientific literature related to endophytic fungi (i.e., fungi that live inside a host blank researching 120 endophytic fungi–produced compounds, she found that their phytotoxicity can make them viable alternatives to chemical herbicides for controlling weeds.
Which choice completes the text so that it conforms to the conventions of Standard English?