Which sentence uses an infinitive as the object of the verb? a. mrs. grayson arrived to grab the glory from the other, less mature supporters of libertarianism. b. in the final scene, markus turns away and fails to see the peril that will ultimately cause his demise. c. martha's lawsuit was useful to punish the corporation for failing to pay its taxes over an eight year period. d. as roland ventures into his new life, he discovers the best time to begin ranching is immediately.