D because if we read it out loud, "We anchored the boat fearfully worrying about the impending storm." it sounds like there should be a comma between fearfully and worrying. "We anchored the boat fearfully, worrying about the storm."
We walked to the park- walked (simple predicate), walked to the park (complete predicate)
My brother Ken collects old stamps- collects (simple predicate), collects old stamps (complete predicate)
I cooked a delicious meal- cooked (simple predicate), cooked a delicious meal (complete predicate)
Mom works hard all day- works (simple predicate), works hard all day (complete predicate)
The shy rabbit hopped away quickly- hopped (simple predicate), hopped away quickly (complete predicate)
Analogy would be the correct answer
Of showing great attention to detail or correct behavior.
