Question 10: Mark the letter A, B, C, or D on your answer sheet to indicate the undelined part that needs correction in each of the following questions: This, like every drug discovery in the world, are also a risky venture with dubious chances of success.
Knowledge of subject and verb harmony
The subject of the sentence is “this”, so the main verb of the sentence must be in the singular form.
=> Answer B (are also -> is also)
This, like every drug discovery in the world, is also a dangerous project with a slim success rate.