Final answer:
The correct answer is B. deduce; retract.
Step-by-step explanation:
Based on the given sentence, the correct options to fill in the blanks are B. deduce; retract.
To deduce means to infer or conclude based on evidence or information. In this case, we can infer from the uproar in the newspapers that the senator has refused to retract his controversial statement.
To retract means to take back or withdraw something that has been said or done. It suggests that the senator initially made a statement, but then decided to withdraw it due to the controversy surrounding it.
Therefore, the sentence should read: Can we deduce from the uproar in the newspapers that the senator has refused to retract his controversial statement?