Answer:
C). We and Terry are driving to Denver this summer.
Step-by-step explanation:
The most correct sentence among the given options is option C that appropriately employs the pronoun 'We' with another subject 'Terry'. The other options are incorrect as they are employing objects 'her', 'them', and 'us' as the subject of the sentence that goes against the grammatical rules. Thus, option C is the most appropriate one as it correctly follows the grammar.