He has not captained Australia in ODIs.
B
Correct answer
Explanation
The statement is false because Gilchrist DID captain Australia in ODIs. He captained Australia in 4 ODI matches in 2002 and 7 ODI matches in 2004, mostly as a stand-in captain when regular captains like Ricky Ponting were injured or rested. The claimed answer B (False) is correct.