Sam is a nonresident alien on a temporary assignment. He has paid for transportation, lodging meals, and medical and dental expenses. He has also made some charitable donations directly to a foreign organization. When he files his tax return, which of the following statements is true regarding his deductions? Question 54Select one: a. Sam may choose to take the standard deduction or itemize his deductions. b. Sam can deduct charitable contributions made directly to a foreign organization as an itemized deduction. c. A nonresident alien may not deduct an expense, or part of an expense, that is allocable to U.S. tax-exempt income. d. Sam cannot itemize his deductions