Tense

Experts please answer. This question was asked in my SA2 examination....... Class 9
Yesterday when I reached my friend's house I (a)_____ to find that he was not home. Only a day earlier we (b)_____ to see a movie and I (c)______ to get the tickets in advance.
Options:-
(a)(i) surprise
(ii) was surprised
(iii) am surprised
(iv)surprising
b)(i)were planning
(ii)planned
(iii)had planned
(iv)plan
c)(i) managed
(ii)was managing
(iii)had managed
(iv)management