In the story “lamb to the slaughter”, what were Mary Maloneys insecurities??

B. determined

Explanation:

The given excerpt is taken from "The Dream Machine" by Lindsay Rock.

The word that best describes Jared is "determined." The word 'determined' can be defined as a quality of making a firm decision with a resolution of not changing it.

From the given excerpt we can say that Jared is determined as the line 'Jared's failure to respond told Derek that his brother had no doubt in his capabilities' suggests that Jared made a decision of making the machine with a resolution of not giving up. And Jared was successful also in making the machine.

So, the correct answer is option B.