which sentence begins with a dependent clause?

a: the children decided to play soccer in the park near their house
b: my dad is looking for his shoes while our dog is burying them in the garden
c: my friends and I are going camping today, and tomorrow my cousin is going to join us
d: when we go to school in the morning, we need to take our lunches and our backpacks

d: when we go to school in the morning, we need to take our lunches and our backpacks

Which of the following describes the difference between a clause and a phrase?

A clause modifies another word in the sentence, but a phrase does not.

A clause has a subject and a verb, but a phrase does not.

A clause has commas around it or after it, but a phrase does not.

A clause occurs at the beginning of a sentence, but a phrase does not.

A clause has a subject and a verb, but a phrase does not.

The sentence that begins with a dependent clause is:

d: when we go to school in the morning, we need to take our lunches and our backpacks.