Which sentence is​ clearest?
a. tomáás showed mr. white the accounting error. they were worried that he could face criminal charges.
b. tomáás showed mr. white the accounting error. he was worried that he could face criminal charges.
c. tomáás showed mr. white the accounting error. tomáás was worried that mr. white could face criminal charges.
d. when tomáás showed mr. white the accounting​ error, he was worried that they could face criminal charges?