She stared at the painting,wonder where she ____it.
A．sawB．has seenC．seesD．had seen
A
考查時態(tài)。句意：她盯著畫看，想著，她曾在哪看到過它。根據(jù)句意顯然是之前，以前看到過，要用一般過去時。
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